Merge branch 'master' of https://github.com/JonCook/tutorials

core-java-modules/multimodulemavenproject/mainappmodule/pom.xml

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+<?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>
+    <groupId>com.baeldung.mainappmodule</groupId>
+    <artifactId>mainappmodule</artifactId>
+    <version>1.0</version>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung.multimodulemavenproject</groupId>
+        <artifactId>multimodulemavenproject</artifactId>
+        <version>1.0</version>
+    </parent>
+    
+    <dependencies>
+        <dependency>
+            <groupId>com.baeldung.entitymodule</groupId>
+            <artifactId>entitymodule</artifactId>
+            <version>1.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.baeldung.daomodule</groupId>
+            <artifactId>daomodule</artifactId>
+            <version>1.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.baeldung.userdaomodule</groupId>
+            <artifactId>userdaomodule</artifactId>
+            <version>1.0</version>
+        </dependency>
+    </dependencies>
+    
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+    
+    <properties>
+        <maven.compiler.source>9</maven.compiler.source>
+        <maven.compiler.target>9</maven.compiler.target>
+    </properties>
+</project>

core-java-modules/multimodulemavenproject/mainappmodule/src/main/java/com/baeldung/mainappmodule/Application.java

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+package com.baeldung.mainappmodule;
+
+import com.baeldung.daomodule.Dao;
+import com.baeldung.entitymodule.User;
+import com.baeldung.userdaomodule.UserDao;
+import java.util.HashMap;
+import java.util.Map;
+
+public class Application {
+    
+    public static void main(String args[]) {
+        Map<Integer, User> users = new HashMap<>();
+        users.put(1, new User("Julie"));
+        users.put(2, new User("David"));
+        Dao userDao = new UserDao(users);
+        userDao.findAll().forEach(System.out::println);
+    }
+    
+}

core-java-modules/multimodulemavenproject/mainappmodule/src/main/java/module-info.java

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+module com.baeldung.mainppmodule {
+    
+    requires com.baeldung.entitymodule;
+    requires com.baeldung.daomodule;
+    requires com.baeldung.userdaomodule;
+    uses com.baeldung.userdaomodule.UserDao;
+    
+}