JAVA-20211 Renamed modules (#13827)

* JAVA-20211 Renamed modules

* JAVA-20211 Renamed modules

docker-modules/docker-caching/multi-module-caching/core-module/pom.xml

@@ -0,0 +1,26 @@
+<?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">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-module</artifactId>
+
+    <parent>
+        <artifactId>multi-module-caching</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+    </properties>
+
+</project>

docker-modules/docker-caching/multi-module-caching/core-module/src/main/java/com/baeldung/maven_caching/CoreClass.java

@@ -0,0 +1,14 @@
+package com.baeldung.maven_caching;
+
+import com.google.common.io.Files;
+
+public class CoreClass {
+
+    public String method() {
+        return "Hello from core module!!";
+    }
+
+    public String dependencyMethod() {
+        return Files.simplifyPath("/home/app/test");
+    }
+}