new module has been added

core-java-modules/core-java-collections-maps/pom.xml

@@ -26,17 +26,10 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-core</artifactId>
-            <version>${spring.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <properties>
         <commons-collections4.version>4.1</commons-collections4.version>
         <assertj.version>3.6.1</assertj.version>
-        <spring.version>5.2.5.RELEASE</spring.version>
     </properties>
 </project>

java-collections-maps-3/README.md

@@ -0,0 +1,8 @@
+## Java Collections Cookbooks and Examples
+
+This module contains articles about Map data structures in Java.
+
+### Relevant Articles: 
+- [Java Map With Case-Insensitive Keys](https://www.baeldung.com/java-map-case-insensitive-keys)
+- More articles: [[<-- prev>]](/../java-collections-maps)
+- More articles: [[<-- prev>]](/../java-collections-maps-2)

java-collections-maps-3/pom.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-java</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>java-collections-maps-3</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <version>${spring.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+    <dependency>
+        <groupId>org.apache.commons</groupId>
+        <artifactId>commons-collections4</artifactId>
+        <version>${commons-collections4.version}</version>
+    </dependency>
+    </dependencies>
+
+    <properties>
+        <commons-collections4.version>4.1</commons-collections4.version>
+        <assertj.version>3.6.1</assertj.version>
+        <spring.version>5.2.5.RELEASE</spring.version>
+    </properties>
+</project>

java-collections-maps-3/src/test/java/com/baeldung/map/caseinsensitivekeys/CaseInsensitiveMapUnitTest.java

@@ -1,6 +1,7 @@
-package com.baeldung.map;
+package com.baeldung.map.caseinsensitivekeys;
 
 import org.apache.commons.collections4.map.CaseInsensitiveMap;
+import org.junit.Assert;
 import org.junit.Test;
 import org.springframework.util.LinkedCaseInsensitiveMap;
 import static org.junit.Assert.*;
@@ -23,7 +24,7 @@ public class CaseInsensitiveMapUnitTest {
         commonsHashMap.put("abc", 1);
         commonsHashMap.put("ABC", 2);
 
-        assertEquals(commonsHashMap.get("aBc"), (Integer)2);
+        Assert.assertEquals(commonsHashMap.get("aBc"), (Integer)2);
     }
 
     @Test
@@ -32,6 +33,6 @@ public class CaseInsensitiveMapUnitTest {
         linkedHashMap.put("abc", 3);
         linkedHashMap.remove("aBC");
 
-        assertEquals(linkedHashMap.size(), 0);
+        Assert.assertEquals(linkedHashMap.size(), 0);
     }
 }

pom.xml

@@ -453,6 +453,9 @@
 
                 <module>java-collections-conversions</module>
                 <module>java-collections-conversions-2</module>
+                <module>java-collections-maps</module>
+                <module>java-collections-maps-2</module>
+                <module>java-collections-maps-3</module>
                 <!-- <module>java-ee-8-security-api</module> --> <!-- long running -->
 
                 <module>javafx</module>
@@ -564,7 +567,7 @@
                 <module>rxjava-libraries</module>
                 <module>rxjava-observables</module>
                 <module>rxjava-operators</module>
-				
+
 				<module>atomikos</module>
             </modules>
 
@@ -965,6 +968,9 @@
 
                 <module>java-collections-conversions</module>
                 <module>java-collections-conversions-2</module>
+                <module>java-collections-maps</module>
+                <module>java-collections-maps-2</module>
+                <module>java-collections-maps-3</module>
                 <!-- <module>java-ee-8-security-api</module> --> <!-- long running -->
 
                 <module>javafx</module>
@@ -1075,7 +1081,7 @@
                 <module>rxjava-libraries</module>
                 <module>rxjava-observables</module>
                 <module>rxjava-operators</module>
-				
+
 				<module>atomikos</module>
             </modules>