From 4c0a39a342f326570b37c57dcd1a92563352127c Mon Sep 17 00:00:00 2001
From: Fatos Morina <fatosi.morina@gmail.com>
Date: Sat, 17 Mar 2018 09:41:50 +0100
Subject: [PATCH] Add data structures as a separate module (#3518)

* Remove data structures from core-java

* Add data-structures

* Update README with links to articles

* Add parent module reference
---
 data-structures/.gitignore                    |  1 +
 data-structures/README.md                     |  4 ++++
 data-structures/pom.xml                       | 24 +++++++++++++++++++
 .../java/com/baeldung/tree/BinaryTree.java    |  0
 .../src/main/java/com/baeldung/trie/Trie.java |  0
 .../main/java/com/baeldung/trie/TrieNode.java |  0
 .../com/baeldung/tree/BinaryTreeTest.java     |  0
 .../test/java/com/baeldung/trie/TrieTest.java |  0
 8 files changed, 29 insertions(+)
 create mode 100644 data-structures/.gitignore
 create mode 100644 data-structures/README.md
 create mode 100644 data-structures/pom.xml
 rename {core-java => data-structures}/src/main/java/com/baeldung/tree/BinaryTree.java (100%)
 rename {core-java => data-structures}/src/main/java/com/baeldung/trie/Trie.java (100%)
 rename {core-java => data-structures}/src/main/java/com/baeldung/trie/TrieNode.java (100%)
 rename {core-java => data-structures}/src/test/java/com/baeldung/tree/BinaryTreeTest.java (100%)
 rename {core-java => data-structures}/src/test/java/com/baeldung/trie/TrieTest.java (100%)

diff --git a/data-structures/.gitignore b/data-structures/.gitignore
new file mode 100644
index 0000000000..b83d22266a
--- /dev/null
+++ b/data-structures/.gitignore
@@ -0,0 +1 @@
+/target/
diff --git a/data-structures/README.md b/data-structures/README.md
new file mode 100644
index 0000000000..b3b1196ce0
--- /dev/null
+++ b/data-structures/README.md
@@ -0,0 +1,4 @@
+## Relevant articles:
+
+- [The Trie Data Structure in Java](http://www.baeldung.com/trie-java)
+- [Implementing a Binary Tree in Java](http://www.baeldung.com/java-binary-tree)
diff --git a/data-structures/pom.xml b/data-structures/pom.xml
new file mode 100644
index 0000000000..68174a41df
--- /dev/null
+++ b/data-structures/pom.xml
@@ -0,0 +1,24 @@
+<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>data-structures</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+
+	<parent>
+		<groupId>com.baeldung</groupId>
+		<artifactId>parent-modules</artifactId>
+		<version>1.0.0-SNAPSHOT</version>
+	</parent>
+	<build>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.codehaus.mojo</groupId>
+					<artifactId>exec-maven-plugin</artifactId>
+					<version>${exec-maven-plugin.version}</version>
+				</plugin>
+			</plugins>
+		</pluginManagement>
+	</build>
+</project>
diff --git a/core-java/src/main/java/com/baeldung/tree/BinaryTree.java b/data-structures/src/main/java/com/baeldung/tree/BinaryTree.java
similarity index 100%
rename from core-java/src/main/java/com/baeldung/tree/BinaryTree.java
rename to data-structures/src/main/java/com/baeldung/tree/BinaryTree.java
diff --git a/core-java/src/main/java/com/baeldung/trie/Trie.java b/data-structures/src/main/java/com/baeldung/trie/Trie.java
similarity index 100%
rename from core-java/src/main/java/com/baeldung/trie/Trie.java
rename to data-structures/src/main/java/com/baeldung/trie/Trie.java
diff --git a/core-java/src/main/java/com/baeldung/trie/TrieNode.java b/data-structures/src/main/java/com/baeldung/trie/TrieNode.java
similarity index 100%
rename from core-java/src/main/java/com/baeldung/trie/TrieNode.java
rename to data-structures/src/main/java/com/baeldung/trie/TrieNode.java
diff --git a/core-java/src/test/java/com/baeldung/tree/BinaryTreeTest.java b/data-structures/src/test/java/com/baeldung/tree/BinaryTreeTest.java
similarity index 100%
rename from core-java/src/test/java/com/baeldung/tree/BinaryTreeTest.java
rename to data-structures/src/test/java/com/baeldung/tree/BinaryTreeTest.java
diff --git a/core-java/src/test/java/com/baeldung/trie/TrieTest.java b/data-structures/src/test/java/com/baeldung/trie/TrieTest.java
similarity index 100%
rename from core-java/src/test/java/com/baeldung/trie/TrieTest.java
rename to data-structures/src/test/java/com/baeldung/trie/TrieTest.java