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Merge pull request #55 from eugenp/master 

update
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Maiklins 2020-05-31 11:53:46 +02:00 committed by GitHub
parent 6a8dc98ba3 455d2a34a4
commit 0909133437
221 changed files with 4004 additions and 404 deletions
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3
aws-app-sync/README.md Normal file
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### Relevant Articles:
- [AWS AppSync With Spring Boot](https://www.baeldung.com/aws-appsync-spring)

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core-java-modules/core-java-8-2/pom.xml
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<version>0.1.0-SNAPSHOT</version>
<name>core-java-8-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-8-datetime-2/pom.xml
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@ -8,12 +8,11 @@
<version>${project.parent.version}</version>
<name>core-java-8-datetime</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-8-datetime/pom.xml
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@ -8,12 +8,11 @@
<version>${project.parent.version}</version>
<name>core-java-8-datetime</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-8/pom.xml
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<version>0.1.0-SNAPSHOT</version>
<name>core-java-8</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-9-streams/pom.xml
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<version>0.1.0-SNAPSHOT</version>
<name>core-java-9-streams</name>
<packaging>jar</packaging>
<parent>
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<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<build>

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core-java-modules/core-java-annotations/pom.xml
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@ -10,10 +10,10 @@
<packaging>jar</packaging>
<parent>
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<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<build>

2
core-java-modules/core-java-arrays-convert/pom.xml
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<parent>
<artifactId>core-java-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
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<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-arrays-guides/pom.xml
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<parent>
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<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
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<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-arrays-multidimensional/pom.xml
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@ -5,7 +5,7 @@
<parent>
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<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
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<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-arrays-operations-advanced/pom.xml
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@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
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<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-arrays-operations-basic/pom.xml
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@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

4
core-java-modules/core-java-arrays-sorting/pom.xml
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@ -5,8 +5,8 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../</relativePath>
</parent>
<modelVersion>4.0.0</modelVersion>

7
core-java-modules/core-java-collections-2/pom.xml
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@ -7,12 +7,11 @@
<artifactId>core-java-collections-2</artifactId>
<name>core-java-collections-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-collections-3/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections-3</name>
<packaging>jar</packaging>
<parent>
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<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-collections-array-list/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections-array-list</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
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<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-collections-list-2/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections-list-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-collections-list-3/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections-list-3</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-collections-list/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections-list</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-collections-maps-2/pom.xml
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@ -7,12 +7,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections-maps-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
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<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-collections-maps-3/pom.xml
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@ -7,12 +7,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections-maps-3</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

9
core-java-modules/core-java-collections-maps/pom.xml
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@ -6,12 +6,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections-maps</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<parent>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-collections-set/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections-set</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-collections/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-collections</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-concurrency-2/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-concurrency-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-concurrency-advanced-2/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-concurrency-advanced-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
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<relativePath>../</relativePath>
</parent>
<dependencies>

1
core-java-modules/core-java-concurrency-advanced-3/README.md
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@ -12,4 +12,5 @@ This module contains articles about advanced topics about multithreading with co
- [Asynchronous Programming in Java](https://www.baeldung.com/java-asynchronous-programming)
- [Java Thread Deadlock and Livelock](https://www.baeldung.com/java-deadlock-livelock)
- [Guide to AtomicStampedReference in Java](https://www.baeldung.com/java-atomicstampedreference)
- [The ABA Problem in Concurrency](https://www.baeldung.com/cs/aba-concurrency)
- [[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)

7
core-java-modules/core-java-concurrency-advanced-3/pom.xml
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@ -9,12 +9,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-concurrency-advanced-3</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-concurrency-advanced/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-concurrency-advanced</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
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<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-concurrency-basic-2/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-concurrency-basic-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<build>

7
core-java-modules/core-java-concurrency-basic/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-concurrency-basic</name>
<packaging>jar</packaging>
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<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-concurrency-collections/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-concurrency-collections</name>
<packaging>jar</packaging>
<parent>
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<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-date-operations-1/pom.xml
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@ -8,12 +8,11 @@
<version>${project.parent.version}</version>
<name>core-java-date-operations-1</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
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<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-date-operations-2/pom.xml
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@ -8,12 +8,11 @@
<version>${project.parent.version}</version>
<name>core-java-date-operations-2</name>
<packaging>jar</packaging>
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<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-datetime-conversion/pom.xml
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@ -8,12 +8,11 @@
<version>${project.parent.version}</version>
<name>core-java-datetime-conversion</name>
<packaging>jar</packaging>
<parent>
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<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-datetime-string/pom.xml
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@ -8,12 +8,11 @@
<version>${project.parent.version}</version>
<name>core-java-datetime-string</name>
<packaging>jar</packaging>
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<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-exceptions-2/pom.xml
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@ -7,12 +7,11 @@
<artifactId>core-java-exceptions-2</artifactId>
<name>core-java-exceptions-2</name>
<packaging>jar</packaging>
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<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-exceptions/pom.xml
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@ -9,12 +9,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-exceptions</name>
<packaging>jar</packaging>
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<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-function/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-function</name>
<packaging>jar</packaging>
<parent>
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<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-io-2/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-io-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

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core-java-modules/core-java-io-apis/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-io-apis</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
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<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

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core-java-modules/core-java-io-conversions-2/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-io-conversions-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>
@ -22,6 +21,11 @@
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20200518</version>
</dependency>
</dependencies>
<build>

48
core-java-modules/core-java-io-conversions-2/src/test/java/com/baeldung/bufferedreadertojsonobject/JavaBufferedReaderToJSONObjectUnitTest.java Normal file
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@ -0,0 +1,48 @@
package com.baeldung.bufferedreadertojsonobject;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import org.json.JSONObject;
import org.json.JSONTokener;
import org.junit.Test;
public class JavaBufferedReaderToJSONObjectUnitTest {
@Test
public void givenValidJson_whenUsingBufferedReader_thenJSONTokenerConverts() {
byte[] b = "{ \"name\" : \"John\", \"age\" : 18 }".getBytes(StandardCharsets.UTF_8);
InputStream is = new ByteArrayInputStream(b);
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(is));
JSONTokener tokener = new JSONTokener(bufferedReader);
JSONObject json = new JSONObject(tokener);
assertNotNull(json);
assertEquals("John", json.get("name"));
assertEquals(18, json.get("age"));
}
@Test
public void givenValidJson_whenUsingString_thenJSONObjectConverts() throws IOException {
byte[] b = "{ \"name\" : \"John\", \"age\" : 18 }".getBytes(StandardCharsets.UTF_8);
InputStream is = new ByteArrayInputStream(b);
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(is));
StringBuilder sb = new StringBuilder();
String line;
while ((line = bufferedReader.readLine()) != null) {
sb.append(line);
}
JSONObject json = new JSONObject(sb.toString());
assertNotNull(json);
assertEquals("John", json.get("name"));
assertEquals(18, json.get("age"));
}
}

7
core-java-modules/core-java-io-conversions/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-io-conversions</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-io/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-io</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-jar/pom.xml
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@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-jar</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

2
core-java-modules/core-java-jndi/pom.xml
View File

@ -12,7 +12,7 @@
<parent>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencies>

2
core-java-modules/core-java-jpms/pom.xml
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@ -12,7 +12,7 @@
<parent>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modules>

8
core-java-modules/core-java-jvm/pom.xml
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@ -10,10 +10,10 @@
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../../</relativePath>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-lambdas/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-lambdas</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

16
core-java-modules/core-java-lang-2/pom.xml
View File

@ -8,19 +8,23 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-lang-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.9</version>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
@ -65,6 +69,8 @@
<jmh-generator.version>1.19</jmh-generator.version>
<assertj.version>3.12.2</assertj.version>
<commons.beanutils.version>1.9.4</commons.beanutils.version>
<commons-lang3.version>3.10</commons-lang3.version>
<guava.version>29.0-jre</guava.version>
</properties>
</project>

51
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithEquals.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.comparing;
import java.time.LocalDate;
import java.util.Objects;
public class PersonWithEquals {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEquals(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEquals(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
public String firstName() {
return firstName;
}
public String lastName() {
return lastName;
}
public LocalDate birthDate() {
return birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEquals that = (PersonWithEquals) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
}

62
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithEqualsAndComparable.java Normal file
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@ -0,0 +1,62 @@
package com.baeldung.comparing;
import java.time.LocalDate;
import java.util.Objects;
public class PersonWithEqualsAndComparable implements Comparable<PersonWithEqualsAndComparable> {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEqualsAndComparable(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEqualsAndComparable(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEqualsAndComparable that = (PersonWithEqualsAndComparable) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
@Override
public int compareTo(PersonWithEqualsAndComparable o) {
int lastNamesComparison = this.lastName.compareTo(o.lastName);
if (lastNamesComparison == 0) {
int firstNamesComparison = this.firstName.compareTo(o.firstName);
if (firstNamesComparison == 0) {
if (this.birthDate != null && o.birthDate != null) {
return this.birthDate.compareTo(o.birthDate);
} else if (this.birthDate != null) {
return 1;
} else if (o.birthDate != null) {
return -1;
} else {
return 0;
}
} else {
return firstNamesComparison;
}
} else {
return lastNamesComparison;
}
}
}

60
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithEqualsAndComparableUsingComparator.java Normal file
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@ -0,0 +1,60 @@
package com.baeldung.comparing;
import java.time.LocalDate;
import java.util.Comparator;
import java.util.Objects;
public class PersonWithEqualsAndComparableUsingComparator implements Comparable<PersonWithEqualsAndComparableUsingComparator> {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEqualsAndComparableUsingComparator(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEqualsAndComparableUsingComparator(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
public String firstName() {
return firstName;
}
public String lastName() {
return lastName;
}
public LocalDate birthDate() {
return birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEqualsAndComparableUsingComparator that = (PersonWithEqualsAndComparableUsingComparator) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
@Override
public int compareTo(PersonWithEqualsAndComparableUsingComparator o) {
return Comparator.comparing(PersonWithEqualsAndComparableUsingComparator::lastName)
.thenComparing(PersonWithEqualsAndComparableUsingComparator::firstName)
.thenComparing(PersonWithEqualsAndComparableUsingComparator::birthDate, Comparator.nullsLast(Comparator.naturalOrder()))
.compare(this, o);
}
}

44
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithEqualsAndWrongComparable.java Normal file
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@ -0,0 +1,44 @@
package com.baeldung.comparing;
import java.time.LocalDate;
import java.util.Objects;
public class PersonWithEqualsAndWrongComparable implements Comparable<PersonWithEqualsAndWrongComparable> {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEqualsAndWrongComparable(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEqualsAndWrongComparable(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEqualsAndWrongComparable that = (PersonWithEqualsAndWrongComparable) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
@Override
public int compareTo(PersonWithEqualsAndWrongComparable o) {
return this.lastName.compareTo(o.lastName);
}
}

11
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithoutEquals.java Normal file
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@ -0,0 +1,11 @@
package com.baeldung.comparing;
public class PersonWithoutEquals {
private String firstName;
private String lastName;
public PersonWithoutEquals(String firstName, String lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
}

36
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/inttoenum/PizzaStatus.java Normal file
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@ -0,0 +1,36 @@
package com.baeldung.inttoenum;
import java.util.HashMap;
import java.util.Map;
public enum PizzaStatus {
ORDERED(5),
READY(2),
DELIVERED(0);
private int timeToDelivery;
PizzaStatus(int timeToDelivery) {
this.timeToDelivery = timeToDelivery;
}
public int getTimeToDelivery() {
return timeToDelivery;
}
private static Map<Integer, PizzaStatus> timeToDeliveryToEnumValuesMapping = new HashMap<>();
static {
PizzaStatus[] pizzaStatuses = PizzaStatus.values();
for (int pizzaStatusIndex = 0; pizzaStatusIndex < pizzaStatuses.length; pizzaStatusIndex++) {
timeToDeliveryToEnumValuesMapping.put(
pizzaStatuses[pizzaStatusIndex].getTimeToDelivery(),
pizzaStatuses[pizzaStatusIndex]
);
}
}
public static PizzaStatus castIntToEnum(int timeToDelivery) {
return timeToDeliveryToEnumValuesMapping.get(timeToDelivery);
}
}

59
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/ApacheCommonsObjectUtilsUnitTest.java Normal file
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@ -0,0 +1,59 @@
package com.baeldung.comparing;
import org.apache.commons.lang3.ObjectUtils;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
class ApacheCommonsObjectUtilsUnitTest {
@Test
void givenTwoStringsWithSameValues_whenApacheCommonsEqualityMethods_thenEqualsTrueNotEqualsFalse() {
String a = new String("Hello!");
String b = new String("Hello!");
assertThat(ObjectUtils.equals(a, b)).isTrue();
assertThat(ObjectUtils.notEqual(a, b)).isFalse();
}
@Test
void givenTwoStringsWithDifferentValues_whenApacheCommonsEqualityMethods_thenEqualsFalseNotEqualsTrue() {
String a = new String("Hello!");
String b = new String("Hello World!");
assertThat(ObjectUtils.equals(a, b)).isFalse();
assertThat(ObjectUtils.notEqual(a, b)).isTrue();
}
@Test
void givenTwoStringsWithConsecutiveValues_whenApacheCommonsCompare_thenNegative() {
String first = new String("Hello!");
String second = new String("How are you?");
assertThat(ObjectUtils.compare(first, second)).isNegative();
}
@Test
void givenTwoStringsWithSameValues_whenApacheCommonsEqualityMethods_thenEqualsFalseNotEqualsTrue() {
String first = new String("Hello!");
String second = new String("Hello!");
assertThat(ObjectUtils.compare(first, second)).isZero();
}
@Test
void givenTwoStringsWithConsecutiveValues_whenApacheCommonsCompareReversed_thenPositive() {
String first = new String("Hello!");
String second = new String("How are you?");
assertThat(ObjectUtils.compare(second, first)).isPositive();
}
@Test
void givenTwoStringsOneNull_whenApacheCommonsCompare_thenPositive() {
String first = new String("Hello!");
String second = null;
assertThat(ObjectUtils.compare(first, second, false)).isPositive();
}
}

107
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/ComparableInterfaceUnitTest.java Normal file
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@ -0,0 +1,107 @@
package com.baeldung.comparing;
import org.junit.jupiter.api.Test;
import java.util.SortedSet;
import java.util.TreeSet;
import static org.assertj.core.api.Assertions.assertThat;
class ComparableInterfaceUnitTest {
@Test
void givenTwoConsecutiveStrings_whenCompareTo_thenNegative() {
String first = "Google";
String second = "Microsoft";
assertThat(first.compareTo(second)).isNegative();
}
@Test
void givenTwoEqualsStrings_whenCompareTo_thenZero() {
String first = "Google";
String second = "Google";
assertThat(first.compareTo(second)).isZero();
}
@Test
void givenTwoConsecutiveStrings_whenReversedCompareTo_thenPositive() {
String first = "Google";
String second = "Microsoft";
assertThat(second.compareTo(first)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndWrongComparableAndConsecutiveLastNames_whenCompareTo_thenNegative() {
PersonWithEqualsAndWrongComparable richard = new PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
PersonWithEqualsAndWrongComparable joe = new PersonWithEqualsAndWrongComparable("Joe", "Portman");
assertThat(richard.compareTo(joe)).isNegative();
}
@Test
void givenTwoPersonWithEqualsAndWrongComparableAndSameLastNames_whenReversedCompareTo_thenZero() {
PersonWithEqualsAndWrongComparable richard = new PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
PersonWithEqualsAndWrongComparable mike = new PersonWithEqualsAndWrongComparable("Mike", "Jefferson");
assertThat(richard.compareTo(mike)).isZero();
}
@Test
void givenTwoPersonWithEqualsAndWrongComparableAndConsecutiveLastNames_whenReversedCompareTo_thenPositive() {
PersonWithEqualsAndWrongComparable richard = new PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
PersonWithEqualsAndWrongComparable joe = new PersonWithEqualsAndWrongComparable("Joe", "Portman");
assertThat(joe.compareTo(richard)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndWrongComparableAndSameLastNames_whenSortedSet_thenProblem() {
PersonWithEqualsAndWrongComparable richard = new PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
PersonWithEqualsAndWrongComparable mike = new PersonWithEqualsAndWrongComparable("Mike", "Jefferson");
SortedSet<PersonWithEqualsAndWrongComparable> people = new TreeSet<>();
people.add(richard);
people.add(mike);
assertThat(people).containsExactly(richard);
}
@Test
void givenTwoPersonWithEqualsAndComparableAndConsecutiveLastNames_whenCompareTo_thenNegative() {
PersonWithEqualsAndComparable richard = new PersonWithEqualsAndComparable("Richard", "Jefferson");
PersonWithEqualsAndComparable joe = new PersonWithEqualsAndComparable("Joe", "Portman");
assertThat(richard.compareTo(joe)).isNegative();
}
@Test
void givenTwoPersonWithEqualsAndComparableAndSameLastNames_whenReversedCompareTo_thenZero() {
PersonWithEqualsAndComparable richard = new PersonWithEqualsAndComparable("Richard", "Jefferson");
PersonWithEqualsAndComparable mike = new PersonWithEqualsAndComparable("Mike", "Jefferson");
assertThat(richard.compareTo(mike)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndComparableAndConsecutiveLastNames_whenReversedCompareTo_thenPositive() {
PersonWithEqualsAndComparable richard = new PersonWithEqualsAndComparable("Richard", "Jefferson");
PersonWithEqualsAndComparable joe = new PersonWithEqualsAndComparable("Joe", "Portman");
assertThat(joe.compareTo(richard)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndComparableAndSameLastNames_whenSortedSet_thenProblem() {
PersonWithEqualsAndComparable richard = new PersonWithEqualsAndComparable("Richard", "Jefferson");
PersonWithEqualsAndComparable mike = new PersonWithEqualsAndComparable("Mike", "Jefferson");
SortedSet<PersonWithEqualsAndComparable> people = new TreeSet<>();
people.add(richard);
people.add(mike);
assertThat(people).containsExactly(mike, richard);
}
}

81
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/ComparatorInterfaceUnitTest.java Normal file
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@ -0,0 +1,81 @@
package com.baeldung.comparing;
import org.junit.jupiter.api.Test;
import java.util.*;
import static org.assertj.core.api.Assertions.assertThat;
class ComparatorInterfaceUnitTest {
@Test
void givenListOfTwoPersonWithEqualsAndComparatorByFirstName_whenSort_thenSortedByFirstNames() {
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals allan = new PersonWithEquals("Allan", "Dale");
List<PersonWithEquals> people = new ArrayList<>();
people.add(joe);
people.add(allan);
Comparator<PersonWithEquals> compareByFirstNames = new Comparator<PersonWithEquals>() {
@Override
public int compare(PersonWithEquals o1, PersonWithEquals o2) {
return o1.firstName().compareTo(o2.firstName());
}
};
people.sort(compareByFirstNames);
assertThat(people).containsExactly(allan, joe);
}
@Test
void givenListOfTwoPersonWithEqualsAndComparatorByFirstNameFunctionalStyle_whenSort_thenSortedByFirstNames() {
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals allan = new PersonWithEquals("Allan", "Dale");
List<PersonWithEquals> people = new ArrayList<>();
people.add(joe);
people.add(allan);
Comparator<PersonWithEquals> compareByFirstNames = Comparator.comparing(PersonWithEquals::firstName);
people.sort(compareByFirstNames);
assertThat(people).containsExactly(allan, joe);
}
@Test
void givenTwoPersonWithEqualsAndComparableUsingComparatorAndConsecutiveLastNames_whenCompareTo_thenNegative() {
PersonWithEqualsAndComparableUsingComparator richard = new PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
PersonWithEqualsAndComparableUsingComparator joe = new PersonWithEqualsAndComparableUsingComparator("Joe", "Portman");
assertThat(richard.compareTo(joe)).isNegative();
}
@Test
void givenTwoPersonWithEqualsAndComparableUsingComparatorAndSameLastNames_whenReversedCompareTo_thenZero() {
PersonWithEqualsAndComparableUsingComparator richard = new PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
PersonWithEqualsAndComparableUsingComparator mike = new PersonWithEqualsAndComparableUsingComparator("Mike", "Jefferson");
assertThat(richard.compareTo(mike)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndComparableUsingComparatorAndConsecutiveLastNames_whenReversedCompareTo_thenPositive() {
PersonWithEqualsAndComparableUsingComparator richard = new PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
PersonWithEqualsAndComparableUsingComparator joe = new PersonWithEqualsAndComparableUsingComparator("Joe", "Portman");
assertThat(joe.compareTo(richard)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndComparableUsingComparatorAndSameLastNames_whenSortedSet_thenProblem() {
PersonWithEqualsAndComparableUsingComparator richard = new PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
PersonWithEqualsAndComparableUsingComparator mike = new PersonWithEqualsAndComparableUsingComparator("Mike", "Jefferson");
SortedSet<PersonWithEqualsAndComparableUsingComparator> people = new TreeSet<>();
people.add(richard);
people.add(mike);
assertThat(people).containsExactly(mike, richard);
}
}

116
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/EqualityOperatorUnitTest.java Normal file
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@ -0,0 +1,116 @@
package com.baeldung.comparing;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
class EqualityOperatorUnitTest {
@Test
void givenTwoIntsWithSameValues_whenEqualityOperators_thenConsideredSame() {
int a = 1;
int b = 1;
assertThat(a == b).isTrue();
assertThat(a != b).isFalse();
}
@Test
void givenTwoIntsWithDifferentValues_whenEqualityOperators_thenNotConsideredSame() {
int a = 1;
int b = 2;
assertThat(a == b).isFalse();
assertThat(a != b).isTrue();
}
@Test
void givenTwoIntsWithSameValuesOneWrapped_whenEqualityOperators_thenConsideredSame() {
int a = 1;
Integer b = new Integer(1);
assertThat(a == b).isTrue();
assertThat(a != b).isFalse();
}
@Test
void givenTwoIntsWithDifferentValuesOneWrapped_whenEqualityOperators_thenNotConsideredSame() {
int a = 1;
Integer b = new Integer(2);
assertThat(a == b).isFalse();
assertThat(a != b).isTrue();
}
@Test
void givenTwoIntegersWithSameValues_whenEqualityOperators_thenNotConsideredSame() {
Integer a = new Integer(1);
Integer b = new Integer(1);
assertThat(a == b).isFalse();
assertThat(a != b).isTrue();
}
@Test
void givenTwoIntegersWithDifferentValues_whenEqualityOperators_thenNotConsideredSame() {
Integer a = new Integer(1);
Integer b = new Integer(2);
assertThat(a == b).isFalse();
assertThat(a != b).isTrue();
}
@Test
void givenTwoIntegersWithSameReference_whenEqualityOperators_thenConsideredSame() {
Integer a = new Integer(1);
Integer b = a;
assertThat(a == b).isTrue();
assertThat(a != b).isFalse();
}
@Test
void givenTwoIntegersFromValueOfWithSameValues_whenEqualityOperators_thenConsideredSame() {
Integer a = Integer.valueOf(1);
Integer b = Integer.valueOf(1);
assertThat(a == b).isTrue();
assertThat(a != b).isFalse();
}
@Test
void givenTwoStringsWithSameValues_whenEqualityOperators_thenNotConsideredSame() {
String a = new String("Hello!");
String b = new String("Hello!");
assertThat(a == b).isFalse();
assertThat(a != b).isTrue();
}
@Test
void givenTwoStringsFromLiteralsWithSameValues_whenEqualityOperators_thenConsideredSame() {
String a = "Hello!";
String b = "Hello!";
assertThat(a == b).isTrue();
assertThat(a != b).isFalse();
}
@Test
void givenTwoNullObjects_whenEqualityOperators_thenConsideredSame() {
Object a = null;
Object b = null;
assertThat(a == b).isTrue();
assertThat(a != b).isFalse();
}
@Test
void givenTwoObjectsOneNull_whenEqualityOperators_thenNotConsideredSame() {
Object a = null;
Object b = "Hello!";
assertThat(a == b).isFalse();
assertThat(a != b).isTrue();
}
}

73
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/EqualsMethodUnitTest.java Normal file
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@ -0,0 +1,73 @@
package com.baeldung.comparing;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
class EqualsMethodUnitTest {
@Test
void givenTwoIntegersWithSameValue_whenEquals_thenTrue() {
Integer a = new Integer(1);
Integer b = new Integer(1);
assertThat(a.equals(b)).isTrue();
}
@Test
void givenTwoStringsWithSameValue_whenEquals_thenTrue() {
String a = new String("Hello!");
String b = new String("Hello!");
assertThat(a.equals(b)).isTrue();
}
@Test
void givenTwoStringsWithDifferentValue_whenEquals_thenFalse() {
String a = new String("Hello!");
String b = new String("Hello World!");
assertThat(a.equals(b)).isFalse();
}
@Test
void givenTwoObjectsFirstNull_whenEquals_thenNullPointerExceptionThrown() {
Object a = null;
Object b = new String("Hello!");
assertThrows(NullPointerException.class, () -> a.equals(b));
}
@Test
void givenTwoObjectsSecondNull_whenEquals_thenFalse() {
Object a = new String("Hello!");
Object b = null;
assertThat(a.equals(b)).isFalse();
}
@Test
void givenTwoPersonWithoutEqualsWithSameNames_whenEquals_thenFalse() {
PersonWithoutEquals joe = new PersonWithoutEquals("Joe", "Portman");
PersonWithoutEquals joeAgain = new PersonWithoutEquals("Joe", "Portman");
assertThat(joe.equals(joeAgain)).isFalse();
}
@Test
void givenTwoPersonWithEqualsWithSameNames_whenEquals_thenTrue() {
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals joeAgain = new PersonWithEquals("Joe", "Portman");
assertThat(joe.equals(joeAgain)).isTrue();
}
@Test
void givenTwoPersonWittEqualsWithDifferentNames_whenEquals_thenFalse() {
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals natalie = new PersonWithEquals("Natalie", "Portman");
assertThat(joe.equals(natalie)).isFalse();
}
}

73
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/GuavaUnitTest.java Normal file
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@ -0,0 +1,73 @@
package com.baeldung.comparing;
import com.google.common.base.Objects;
import com.google.common.collect.ComparisonChain;
import com.google.common.primitives.Ints;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
class GuavaUnitTest {
@Nested
class ObjectsEqualMethod {
@Test
void givenTwoStringsWithSameValues_whenObjectsEqualMethods_thenTrue() {
String a = new String("Hello!");
String b = new String("Hello!");
assertThat(Objects.equal(a, b)).isTrue();
}
@Test
void givenTwoStringsWithDifferentValues_whenObjectsEqualMethods_thenFalse() {
String a = new String("Hello!");
String b = new String("Hello World!");
assertThat(Objects.equal(a, b)).isFalse();
}
}
@Nested
class ComparisonMethods {
@Test
void givenTwoIntsWithConsecutiveValues_whenIntsCompareMethods_thenNegative() {
int first = 1;
int second = 2;
assertThat(Ints.compare(first, second)).isNegative();
}
@Test
void givenTwoIntsWithSameValues_whenIntsCompareMethods_thenZero() {
int first = 1;
int second = 1;
assertThat(Ints.compare(first, second)).isZero();
}
@Test
void givenTwoIntsWithConsecutiveValues_whenIntsCompareMethodsReversed_thenNegative() {
int first = 1;
int second = 2;
assertThat(Ints.compare(second, first)).isPositive();
}
}
@Nested
class ComparisonChainClass {
@Test
void givenTwoPersonWithEquals_whenComparisonChainByLastNameThenFirstName_thenSortedJoeFirstAndNatalieSecond() {
PersonWithEquals natalie = new PersonWithEquals("Natalie", "Portman");
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
int comparisonResult = ComparisonChain.start()
.compare(natalie.lastName(), joe.lastName())
.compare(natalie.firstName(), joe.firstName())
.result();
assertThat(comparisonResult).isPositive();
}
}
}

50
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/ObjectsEqualsStaticMethodUnitTest.java Normal file
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@ -0,0 +1,50 @@
package com.baeldung.comparing;
import org.junit.jupiter.api.Test;
import java.util.Objects;
import static org.assertj.core.api.Assertions.assertThat;
class ObjectsEqualsStaticMethodUnitTest {
@Test
void givenTwoPersonWithEqualsWithSameNames_whenObjectsEquals_thenTrue() {
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals joeAgain = new PersonWithEquals("Joe", "Portman");
assertThat(Objects.equals(joe, joeAgain)).isTrue();
}
@Test
void givenTwoPersonWithEqualsWithDifferentNames_whenObjectsEquals_thenFalse() {
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals natalie = new PersonWithEquals("Natalie", "Portman");
assertThat(Objects.equals(joe, natalie)).isFalse();
}
@Test
void givenTwoPersonWithEqualsFirstNull_whenObjectsEquals_thenFalse() {
PersonWithEquals nobody = null;
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
assertThat(Objects.equals(nobody, joe)).isFalse();
}
@Test
void givenTwoObjectsSecondtNull_whenObjectsEquals_thenFalse() {
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals nobody = null;
assertThat(Objects.equals(joe, nobody)).isFalse();
}
@Test
void givenTwoObjectsNull_whenObjectsEquals_thenTrue() {
PersonWithEquals nobody = null;
PersonWithEquals nobodyAgain = null;
assertThat(Objects.equals(nobody, nobodyAgain)).isTrue();
}
}

27
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/inttoenum/IntToEnumUnitTest.java Normal file
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@ -0,0 +1,27 @@
package com.baeldung.inttoenum;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class IntToEnumUnitTest {
@Test
public void whenIntToEnumUsingValuesMethod_thenReturnEnumObject() {
int timeToDeliveryForOrderedPizzaStatus = 5;
PizzaStatus[] pizzaStatuses = PizzaStatus.values();
PizzaStatus pizzaOrderedStatus = null;
for (int pizzaStatusIndex = 0; pizzaStatusIndex < pizzaStatuses.length; pizzaStatusIndex++) {
if (pizzaStatuses[pizzaStatusIndex].getTimeToDelivery() == timeToDeliveryForOrderedPizzaStatus) {
pizzaOrderedStatus = pizzaStatuses[pizzaStatusIndex];
}
}
assertEquals(pizzaOrderedStatus, PizzaStatus.ORDERED);
}
@Test
public void whenIntToEnumUsingMap_thenReturnEnumObject() {
int timeToDeliveryForOrderedPizzaStatus = 5;
assertEquals(PizzaStatus.castIntToEnum(timeToDeliveryForOrderedPizzaStatus), PizzaStatus.ORDERED);
}
}

7
core-java-modules/core-java-lang-math-2/pom.xml
View File

@ -5,12 +5,11 @@
<artifactId>core-java-lang-math-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>core-java-lang-math-2</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-lang-math/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-lang-math</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

2
core-java-modules/core-java-lang-oop-constructors/pom.xml
View File

@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-lang-oop-generics/pom.xml
View File

@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

18
core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/supertype/TypeReference.java Normal file
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@ -0,0 +1,18 @@
package com.baeldung.supertype;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
public abstract class TypeReference<T> {
private final Type type;
public TypeReference() {
Type superclass = getClass().getGenericSuperclass();
type = ((ParameterizedType) superclass).getActualTypeArguments()[0];
}
public Type getType() {
return type;
}
}

24
core-java-modules/core-java-lang-oop-generics/src/test/java/com/baeldung/supertype/TypeReferenceUnitTest.java Normal file
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@ -0,0 +1,24 @@
package com.baeldung.supertype;
import org.junit.Test;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.Map;
import static org.junit.Assert.assertEquals;
public class TypeReferenceUnitTest {
@Test
public void givenGenericToken_whenUsingSuperTypeToken_thenPreservesTheTypeInfo() {
TypeReference<Map<String, Integer>> token = new TypeReference<Map<String, Integer>>() {};
Type type = token.getType();
assertEquals("java.util.Map<java.lang.String, java.lang.Integer>", type.getTypeName());
Type[] typeArguments = ((ParameterizedType) type).getActualTypeArguments();
assertEquals("java.lang.String", typeArguments[0].getTypeName());
assertEquals("java.lang.Integer", typeArguments[1].getTypeName());
}
}

2
core-java-modules/core-java-lang-oop-inheritance/pom.xml
View File

@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-lang-oop-methods/pom.xml
View File

@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-lang-oop-modifiers/pom.xml
View File

@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-lang-oop-others/pom.xml
View File

@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-lang-oop-patterns/pom.xml
View File

@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

2
core-java-modules/core-java-lang-oop-types/pom.xml
View File

@ -5,7 +5,7 @@
<parent>
<artifactId>core-java-modules</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

7
core-java-modules/core-java-lang-operators/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-lang-operators</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-lang-syntax-2/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-lang-syntax-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<build>

7
core-java-modules/core-java-lang-syntax/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-lang-syntax</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-lang/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-lang</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<build>

7
core-java-modules/core-java-networking-2/pom.xml
View File

@ -7,12 +7,11 @@
<artifactId>core-java-networking-2</artifactId>
<name>core-java-networking-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-networking/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-networking</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-nio-2/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-nio-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
</project>

7
core-java-modules/core-java-nio/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-nio</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
</project>

2
core-java-modules/core-java-optional/pom.xml
View File

@ -12,7 +12,7 @@
<parent>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencies>

7
core-java-modules/core-java-os/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-os</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-perf/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-perf</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
</project>

7
core-java-modules/core-java-reflection/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-reflection</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-regex/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-regex</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-security-2/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-security-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-security/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-security</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-streams-2/pom.xml
View File

@ -8,12 +8,11 @@
<version>1.0</version>
<name>core-java-streams-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-streams-3/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-streams-3</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-streams/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-streams</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-string-algorithms-2/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-string-algorithms-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

11
core-java-modules/core-java-string-algorithms-3/pom.xml
View File

@ -7,12 +7,11 @@
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>core-java-string-algorithms-3</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>
@ -31,8 +30,7 @@
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit-jupiter-api.version}</version>
<artifactId>junit-jupiter</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
@ -64,7 +62,6 @@
<commons-lang3.version>3.8.1</commons-lang3.version>
<assertj.version>3.6.1</assertj.version>
<guava.version>28.1-jre</guava.version>
<junit-jupiter-api.version>5.3.1</junit-jupiter-api.version>
</properties>
</project>

7
core-java-modules/core-java-string-algorithms/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-string-algorithms</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-string-apis/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-string-apis</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

7
core-java-modules/core-java-string-conversions-2/pom.xml
View File

@ -8,12 +8,11 @@
<version>0.1.0-SNAPSHOT</version>
<name>core-java-string-conversions-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
<relativePath>../</relativePath>
</parent>
<dependencies>

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