Merge branch 'master' of https://github.com/eugenp/tutorials
This commit is contained in:
commit
56e3687cad
@ -1,6 +1,5 @@
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package com.baeldung.stream;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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import java.util.stream.IntStream;
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@ -8,65 +7,56 @@ import java.util.stream.IntStream;
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import com.codepoetics.protonpack.Indexed;
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import com.codepoetics.protonpack.StreamUtils;
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import io.vavr.Tuple2;
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import io.vavr.collection.Stream;
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import one.util.streamex.EntryStream;
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public class StreamIndices {
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public static List<String> getEvenIndexedStrings(String[] names) {
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List<String> evenIndexedNames = IntStream
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.range(0, names.length)
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.filter(i -> i % 2 == 0)
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.mapToObj(i -> names[i])
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.collect(Collectors.toList());
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List<String> evenIndexedNames = IntStream.range(0, names.length)
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.filter(i -> i % 2 == 0)
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.mapToObj(i -> names[i])
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.collect(Collectors.toList());
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return evenIndexedNames;
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}
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public List<String> getEvenIndexedStringsVersionTwo(List<String> names) {
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List<String> evenIndexedNames = EntryStream
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.of(names)
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.filterKeyValue((index, name) -> index % 2 == 0)
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.values()
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.toList();
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List<String> evenIndexedNames = EntryStream.of(names)
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.filterKeyValue((index, name) -> index % 2 == 0)
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.values()
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.toList();
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return evenIndexedNames;
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}
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public static List<Indexed<String>> getEvenIndexedStrings(List<String> names) {
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List<Indexed<String>> list = StreamUtils
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.zipWithIndex(names.stream())
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.filter(i -> i.getIndex() % 2 == 0)
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.collect(Collectors.toList());
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List<Indexed<String>> list = StreamUtils.zipWithIndex(names.stream())
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.filter(i -> i.getIndex() % 2 == 0)
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.collect(Collectors.toList());
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return list;
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}
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public static List<Indexed<String>> getOddIndexedStrings(List<String> names) {
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List<Indexed<String>> list = StreamUtils
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.zipWithIndex(names.stream())
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.filter(i -> i.getIndex() % 2 == 1)
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.collect(Collectors.toList());
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List<Indexed<String>> list = StreamUtils.zipWithIndex(names.stream())
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.filter(i -> i.getIndex() % 2 == 1)
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.collect(Collectors.toList());
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return list;
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}
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public static List<String> getOddIndexedStrings(String[] names) {
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List<String> oddIndexedNames = IntStream
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.range(0, names.length)
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.filter(i -> i % 2 == 1)
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.mapToObj(i -> names[i])
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.collect(Collectors.toList());
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List<String> oddIndexedNames = IntStream.range(0, names.length)
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.filter(i -> i % 2 == 1)
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.mapToObj(i -> names[i])
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.collect(Collectors.toList());
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return oddIndexedNames;
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}
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public static List<String> getOddIndexedStringsVersionTwo(String[] names) {
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List<Tuple2<String, Integer>> tuples = Stream
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.of(names)
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.zipWithIndex()
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.filter(tuple -> tuple._2 % 2 == 1)
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.toJavaList();
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List<String> oddIndexedNames = new ArrayList<String>();
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tuples.forEach(tuple -> {
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oddIndexedNames.add(tuple._1);
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});
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List<String> oddIndexedNames = Stream.of(names)
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.zipWithIndex()
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.filter(tuple -> tuple._2 % 2 == 1)
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.map(tuple -> tuple._1)
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.toJavaList();
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return oddIndexedNames;
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}
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}
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@ -22,7 +22,7 @@
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<dependency>
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<groupId>com.hazelcast</groupId>
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<artifactId>hazelcast-client</artifactId>
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<version>3.7.2</version>
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<version>${hazelcast.version}</version>
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</dependency>
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</dependencies>
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@ -39,7 +39,7 @@
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<properties>
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<!-- hazelcast -->
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<hazelcast.version>3.7.4</hazelcast.version>
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<hazelcast.version>3.8.4</hazelcast.version>
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</properties>
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</project>
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</dependencies>
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<properties>
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<hbase.version>1.3.0</hbase.version>
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<hbase.version>1.3.1</hbase.version>
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</properties>
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@ -3,7 +3,6 @@
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<artifactId>immutables</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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@ -34,7 +33,7 @@
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</dependencies>
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<properties>
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<immutables.version>2.3.10</immutables.version>
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<immutables.version>2.5.6</immutables.version>
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<assertj.version>3.6.1</assertj.version>
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<mutabilitydetector.version>0.9.6</mutabilitydetector.version>
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</properties>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<artifactId>json-path</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>json-path</name>
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<modelVersion>4.0.0</modelVersion>
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<name>lombok</name>
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<groupId>com.baeldung</groupId>
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<artifactId>lombok</artifactId>
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<version>0.1-SNAPSHOT</version>
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@ -81,7 +79,7 @@
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<!-- lombok: https://projectlombok.org/changelog.html -->
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<lombok.version>1.16.12</lombok.version>
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<lombok.version>1.16.18</lombok.version>
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<!-- various -->
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<hibernate-jpa-2.1-api.version>1.0.0.Final</hibernate-jpa-2.1-api.version>
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