[BAEL-8232] - Moved java string related code and github links into new module java-strings

core-java-8/README.md

@@ -14,7 +14,6 @@
 - [Guide to Java 8 groupingBy Collector](http://www.baeldung.com/java-groupingby-collector)
 - [Strategy Design Pattern in Java 8](http://www.baeldung.com/java-strategy-pattern)
 - [Java 8 and Infinite Streams](http://www.baeldung.com/java-inifinite-streams)
-- [String Operations with Java Streams](http://www.baeldung.com/java-stream-operations-on-strings)
 - [Exceptions in Java 8 Lambda Expressions](http://www.baeldung.com/java-lambda-exceptions)
 - [Java 8 Stream findFirst() vs. findAny()](http://www.baeldung.com/java-stream-findfirst-vs-findany)
 - [Guide to Java 8 Comparator.comparing()](http://www.baeldung.com/java-8-comparator-comparing)
@@ -34,13 +33,11 @@
 - [Copy a File with Java](http://www.baeldung.com/java-copy-file)
 - [Static and Default Methods in Interfaces in Java](http://www.baeldung.com/java-static-default-methods)
 - [Iterable to Stream in Java](http://www.baeldung.com/java-iterable-to-stream)
-- [Converting String to Stream of chars](http://www.baeldung.com/java-string-to-stream)
 - [How to Iterate Over a Stream With Indices](http://www.baeldung.com/java-stream-indices)
 - [Efficient Word Frequency Calculator in Java](http://www.baeldung.com/java-word-frequency)
 - [Primitive Type Streams in Java 8](http://www.baeldung.com/java-8-primitive-streams)
 - [Fail-Safe Iterator vs Fail-Fast Iterator](http://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator)
 - [Shuffling Collections In Java](http://www.baeldung.com/java-shuffle-collection)
-- [Java 8 StringJoiner](http://www.baeldung.com/java-string-joiner)
 - [Introduction to Spliterator in Java](http://www.baeldung.com/java-spliterator)
 - [Java 8 Math New Methods](http://www.baeldung.com/java-8-math)
 - [Overview of Java Built-in Annotations](http://www.baeldung.com/java-default-annotations)
@@ -54,7 +51,6 @@
 - [Java 8 Unsigned Arithmetic Support](http://www.baeldung.com/java-unsigned-arithmetic)
 - [How to Get the Start and the End of a Day using Java](http://www.baeldung.com/java-day-start-end)
 - [Generalized Target-Type Inference in Java](http://www.baeldung.com/java-generalized-target-type-inference)
-- [Image to Base64 String Conversion](http://www.baeldung.com/java-base64-image-string)
 - [Calculate Age in Java](http://www.baeldung.com/java-get-age)
 - [Copy a List to Another List in Java](http://www.baeldung.com/java-copy-list-to-another)
 - [Increment Date in Java](http://www.baeldung.com/java-increment-date)

core-java-9/README.md

@@ -17,7 +17,6 @@
 - [Java 9 Reactive Streams](http://www.baeldung.com/java-9-reactive-streams)
 - [How to Get All Dates Between Two Dates?](http://www.baeldung.com/java-between-dates)
 - [Java 9 java.util.Objects Additions](http://www.baeldung.com/java-9-objects-new)
-- [Compact Strings in Java 9](http://www.baeldung.com/java-9-compact-string)
 - [Convert Date to LocalDate or LocalDateTime and Back](http://www.baeldung.com/java-date-to-localdate-and-localdatetime)
 - [Java 9 Variable Handles Demistyfied](http://www.baeldung.com/java-variable-handles)
 - [Exploring the New HTTP Client in Java 9](http://www.baeldung.com/java-9-http-client)

core-java/README.md

@@ -3,18 +3,14 @@
 ## Core Java Cookbooks and Examples
 
 ### Relevant Articles: 
-- [Java – Generate Random String](http://www.baeldung.com/java-random-string)
 - [Java Timer](http://www.baeldung.com/java-timer-and-timertask)
 - [How to Run a Shell Command in Java](http://www.baeldung.com/run-shell-command-in-java)
 - [MD5 Hashing in Java](http://www.baeldung.com/java-md5)
 - [Guide to Java Reflection](http://www.baeldung.com/java-reflection)
 - [A Guide to Java Sockets](http://www.baeldung.com/a-guide-to-java-sockets)
-- [Convert char to String in Java](http://www.baeldung.com/java-convert-char-to-string)
-- [Convert String to int or Integer in Java](http://www.baeldung.com/java-convert-string-to-int-or-integer)
 - [Java – Try with Resources](http://www.baeldung.com/java-try-with-resources)
 - [Guide to the Fork/Join Framework in Java](http://www.baeldung.com/java-fork-join)
 - [How to Print Screen in Java](http://www.baeldung.com/print-screen-in-java)
-- [How to Convert String to different data types in Java](http://www.baeldung.com/java-string-conversions)
 - [Introduction to Java Generics](http://www.baeldung.com/java-generics)
 - [Generate equals() and hashCode() with Eclipse](http://www.baeldung.com/java-eclipse-equals-and-hashcode)
 - [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java)
@@ -37,8 +33,6 @@
 - [A Quick JUnit vs TestNG Comparison](http://www.baeldung.com/junit-vs-testng)
 - [Java Primitive Conversions](http://www.baeldung.com/java-primitive-conversions)
 - [Java Money and the Currency API](http://www.baeldung.com/java-money-and-currency)
-- [Converting Strings to Enums in Java](http://www.baeldung.com/java-string-to-enum)
-- [Quick Guide to the Java StringTokenizer](http://www.baeldung.com/java-stringtokenizer)
 - [JVM Log Forging](http://www.baeldung.com/jvm-log-forging)
 - [Guide to sun.misc.Unsafe](http://www.baeldung.com/java-unsafe)
 - [How to Perform a Simple HTTP Request in Java](http://www.baeldung.com/java-http-request)
@@ -55,28 +49,22 @@
 - [How to Copy an Array in Java](http://www.baeldung.com/java-array-copy)
 - [Period and Duration in Java](http://www.baeldung.com/java-period-duration)
 - [Converting a Stack Trace to a String in Java](http://www.baeldung.com/java-stacktrace-to-string)
-- [Count Occurrences of a Char in a String](http://www.baeldung.com/java-count-chars)
 - [Java Double Brace Initialization](http://www.baeldung.com/java-double-brace-initialization)
 - [The StackOverflowError in Java](http://www.baeldung.com/java-stack-overflow-error)
-- [Split a String in Java](http://www.baeldung.com/java-split-string)
 - [Introduction to Java Serialization](http://www.baeldung.com/java-serialization)
-- [How to Remove the Last Character of a String?](http://www.baeldung.com/java-remove-last-character-of-string)
 - [ClassNotFoundException vs NoClassDefFoundError](http://www.baeldung.com/java-classnotfoundexception-and-noclassdeffounderror)
 - [Guide to UUID in Java](http://www.baeldung.com/java-uuid)
 - [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char)
 - [Guide to hashCode() in Java](http://www.baeldung.com/java-hashcode)
 - [Difference between URL and URI](http://www.baeldung.com/java-url-vs-uri)
 - [Broadcasting and Multicasting in Java](http://www.baeldung.com/java-broadcast-multicast)
-- [CharSequence vs. String in Java](http://www.baeldung.com/java-char-sequence-string)
 - [Period and Duration in Java](http://www.baeldung.com/java-period-duration)
 - [Guide to the Diamond Operator in Java](http://www.baeldung.com/java-diamond-operator)
 - [“Sneaky Throws” in Java](http://www.baeldung.com/java-sneaky-throws)
 - [OutOfMemoryError: GC Overhead Limit Exceeded](http://www.baeldung.com/java-gc-overhead-limit-exceeded)
-- [StringBuilder and StringBuffer in Java](http://www.baeldung.com/java-string-builder-string-buffer)
 - [Creating a Java Compiler Plugin](http://www.baeldung.com/java-build-compiler-plugin)
 - [A Guide to the Static Keyword in Java](http://www.baeldung.com/java-static)
 - [Initializing Arrays in Java](http://www.baeldung.com/java-initialize-array)
-- [Guide to Java String Pool](http://www.baeldung.com/java-string-pool)
 - [Quick Example - Comparator vs Comparable in Java](http://www.baeldung.com/java-comparator-comparable)
 - [Quick Guide to Java Stack](http://www.baeldung.com/java-stack)
 - [The Java continue and break Keywords](http://www.baeldung.com/java-continue-and-break)
@@ -102,8 +90,6 @@
 - [The Trie Data Structure in Java](http://www.baeldung.com/trie-java)
 - [Introduction to Javadoc](http://www.baeldung.com/javadoc)
 - [How to Make a Deep Copy of an Object in Java](http://www.baeldung.com/java-deep-copy)
-- [Check if a String is a Palindrome](http://www.baeldung.com/java-palindrome)
-- [Comparing Strings in Java](http://www.baeldung.com/java-compare-strings)
 - [Guide to Inheritance in Java](http://www.baeldung.com/java-inheritance)
 - [Guide to Externalizable Interface in Java](http://www.baeldung.com/java-externalizable)
 - [Object Type Casting in Java](http://www.baeldung.com/java-type-casting)
@@ -135,11 +121,9 @@
 - [Infinite Loops in Java](http://www.baeldung.com/infinite-loops-java)
 - [Using Java Assertions](http://www.baeldung.com/java-assert)
 - [Pass-By-Value as a Parameter Passing Mechanism in Java](http://www.baeldung.com/java-pass-by-value-or-pass-by-reference)
-- [Check If a String Is Numeric in Java](http://www.baeldung.com/java-check-string-number)
 - [Variable and Method Hiding in Java](http://www.baeldung.com/java-variable-method-hiding)
 - [Access Modifiers in Java](http://www.baeldung.com/java-access-modifiers)
 - [Infinite Loops in Java](http://www.baeldung.com/infinite-loops-java)
-- [Why Use char[] Array Over a String for Storing Passwords in Java?](http://www.baeldung.com/java-storing-passwords)
 - [Introduction to Creational Design Patterns](http://www.baeldung.com/creational-design-patterns)
 - [Proxy, Decorator, Adapter and Bridge Patterns](http://www.baeldung.com/java-structural-design-patterns)
 - [Singletons in Java](http://www.baeldung.com/java-singleton)
@@ -153,7 +137,6 @@
 - [Importance of Main Manifest Attribute in a Self-Executing JAR](http://www.baeldung.com/java-jar-executable-manifest-main-class)
 - [Extracting Year, Month and Day from Date in Java](http://www.baeldung.com/java-year-month-day)
 - [Get Date Without Time in Java](http://www.baeldung.com/java-date-without-time)
-- [Convert a String to Title Case](http://www.baeldung.com/java-string-title-case)
 - [How to Get the File Extension of a File in Java](http://www.baeldung.com/java-file-extension)
 - [Immutable Objects in Java](http://www.baeldung.com/java-immutable-object)
 - [Console I/O in Java](http://www.baeldung.com/java-console-input-output)

core-java/pom.xml

@@ -137,11 +137,6 @@
             <artifactId>mail</artifactId>
             <version>${javax.mail.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.ibm.icu</groupId>
-            <artifactId>icu4j</artifactId>
-            <version>${icu4j.version}</version>
-        </dependency>
         <!-- Mime Type Resolution Libraries -->
         <dependency>
             <groupId>org.apache.tika</groupId>

java-strings/README.md

@@ -0,0 +1,27 @@
+=========
+
+## Java Strings Cookbooks and Examples
+
+### Relevant Articles: 
+- [String Operations with Java Streams](http://www.baeldung.com/java-stream-operations-on-strings)
+- [Converting String to Stream of chars](http://www.baeldung.com/java-string-to-stream)
+- [Java 8 StringJoiner](http://www.baeldung.com/java-string-joiner)
+- [Image to Base64 String Conversion](http://www.baeldung.com/java-base64-image-string)
+- [Java – Generate Random String](http://www.baeldung.com/java-random-string)
+- [Convert char to String in Java](http://www.baeldung.com/java-convert-char-to-string)
+- [Convert String to int or Integer in Java](http://www.baeldung.com/java-convert-string-to-int-or-integer)
+- [How to Convert String to different data types in Java](http://www.baeldung.com/java-string-conversions)
+- [Converting Strings to Enums in Java](http://www.baeldung.com/java-string-to-enum)
+- [Quick Guide to the Java StringTokenizer](http://www.baeldung.com/java-stringtokenizer)
+- [Count Occurrences of a Char in a String](http://www.baeldung.com/java-count-chars)
+- [Split a String in Java](http://www.baeldung.com/java-split-string)
+- [How to Remove the Last Character of a String?](http://www.baeldung.com/java-remove-last-character-of-string)
+- [CharSequence vs. String in Java](http://www.baeldung.com/java-char-sequence-string)
+- [StringBuilder and StringBuffer in Java](http://www.baeldung.com/java-string-builder-string-buffer)
+- [Guide to Java String Pool](http://www.baeldung.com/java-string-pool)
+- [Check if a String is a Palindrome](http://www.baeldung.com/java-palindrome)
+- [Comparing Strings in Java](http://www.baeldung.com/java-compare-strings)
+- [Check If a String Is Numeric in Java](http://www.baeldung.com/java-check-string-number)
+- [Why Use char[] Array Over a String for Storing Passwords in Java?](http://www.baeldung.com/java-storing-passwords)
+- [Convert a String to Title Case](http://www.baeldung.com/java-string-title-case)
+- [Compact Strings in Java 9](http://www.baeldung.com/java-9-compact-string)

java-strings/pom.xml

@@ -0,0 +1,174 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung</groupId>
+    <artifactId>java-strings</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>java-strings</name>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>${commons-collections4.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons-io.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>${commons-codec.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <!-- test scoped -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.jayway.awaitility</groupId>
+            <artifactId>awaitility</artifactId>
+            <version>${avaitility.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-core</artifactId>
+            <version>${jmh-core.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-generator-annprocess</artifactId>
+            <version>${jmh-generator.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-generator-bytecode</artifactId>
+            <version>${jmh-generator.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.codepoetics</groupId>
+            <artifactId>protonpack</artifactId>
+            <version>${protonpack.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.vavr</groupId>
+            <artifactId>vavr</artifactId>
+            <version>${vavr.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>one.util</groupId>
+            <artifactId>streamex</artifactId>
+            <version>${streamex.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>joda-time</groupId>
+            <artifactId>joda-time</artifactId>
+            <version>${joda.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.aspectj</groupId>
+            <artifactId>aspectjrt</artifactId>
+            <version>${asspectj.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.aspectj</groupId>
+            <artifactId>aspectjweaver</artifactId>
+            <version>${asspectj.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.ibm.icu</groupId>
+            <artifactId>icu4j</artifactId>
+            <version>${icu4j.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>java-strings</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>copy-dependencies</id>
+                        <phase>prepare-package</phase>
+                        <goals>
+                            <goal>copy-dependencies</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>${project.build.directory}/libs</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                    <compilerArgument>-parameters</compilerArgument>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <!-- util -->
+        <commons-lang3.version>3.5</commons-lang3.version>
+        <commons-collections4.version>4.1</commons-collections4.version>
+        <collections-generic.version>4.01</collections-generic.version>
+        <commons-codec.version>1.10</commons-codec.version>
+        <lombok.version>1.16.12</lombok.version>
+        <vavr.version>0.9.0</vavr.version>
+        <protonpack.version>1.13</protonpack.version>
+        <streamex.version>0.6.5</streamex.version>
+        <joda.version>2.10</joda.version>
+        <!-- testing -->
+        <assertj.version>3.6.1</assertj.version>
+        <asspectj.version>1.8.9</asspectj.version>
+        <avaitility.version>1.7.0</avaitility.version>
+        <jmh-core.version>1.19</jmh-core.version>
+        <jmh-generator.version>1.19</jmh-generator.version>
+        <icu4j.version>61.1</icu4j.version>
+    </properties>
+
+</project>

java-strings/src/main/java/com/baeldung/string/TitleCaseConverter.java

@@ -1,12 +1,13 @@
 package com.baeldung.string;
 
-import com.ibm.icu.lang.UCharacter;
-import com.ibm.icu.text.BreakIterator;
-import org.apache.commons.lang.WordUtils;
-
 import java.util.Arrays;
 import java.util.stream.Collectors;
 
+import org.apache.commons.lang3.text.WordUtils;
+
+import com.ibm.icu.lang.UCharacter;
+import com.ibm.icu.text.BreakIterator;
+
 public class TitleCaseConverter {
 
     private static final String WORD_SEPARATOR = " ";

java-strings/src/main/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

java-strings/src/test/java/com/baeldung/string/SplitUnitTest.java

@@ -1,12 +1,13 @@
 package com.baeldung.string;
 
-import com.google.common.base.Splitter;
-import org.apache.commons.lang.StringUtils;
-import org.junit.Test;
+import static org.assertj.core.api.Assertions.assertThat;
 
 import java.util.List;
 
-import static org.assertj.core.api.Assertions.assertThat;
+import org.apache.commons.lang3.StringUtils;
+import org.junit.Test;
+
+import com.google.common.base.Splitter;
 
 public class SplitUnitTest {
 

java-strings/src/test/resources/.gitignore

@@ -0,0 +1,13 @@
+*.class
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

pom.xml

@@ -342,6 +342,7 @@
 				<module>azure</module>
 				<module>bootique</module>
 				<module>cdi</module>
+				<module>java-strings</module>
 				<!--<module>core-java-9</module> --> <!-- Commented because we have still not upgraded to java 9 -->
 				<module>core-java</module>
 				<module>core-java-collections</module>
@@ -891,6 +892,7 @@
 				<module>azure</module>
 				<module>bootique</module>
 				<module>cdi</module>
+				<module>java-strings</module>
 				<!--<module>core-java-9</module> --> <!-- Commented because we have still not upgraded to java 9 -->
 				<module>core-java-collections</module>
 				<module>core-java-io</module>