Coders Arcade ━━━━━━━━━━━━━━━━━━━ DevOps Lab Manual
CA - Experiment 4 - Practical Exercise: Build and Run a Java Application
with Maven, Migrate the Same Application to Gradle
🎯 Part 1: Create and Build a Java Application with Maven
🛠️ Step 1: Create a Maven Project in IntelliJ IDEA
1. Open IntelliJ IDEA
Launch IntelliJ IDEA and click on File → New → Project. 🌟
2. Select Maven
In the New Project window, choose Maven from the options on the left.
Check Create from archetype and select maven-archetype-quickstart.
Click Next. 👨💻
3. Enter Project Details
GroupId: com.example
ArtifactId: MVNGRDLDEMO
Click Next and then Finish. ✨
4. Wait for IntelliJ to Load Dependencies
IntelliJ will automatically download the Maven dependencies, so just relax for a moment. 😌
📝 Step 2: Update pom.xml to Add Build Plugin
To compile and package your project into a .jar file, you need to add the Maven Compiler and Jar plugins. 🔧
1. Open the pom.xml file. 📄
2. Add the following inside the <project> tag:
1 <build>
2 <plugins>
3 <!-- Compiler Plugin -->
4 <plugin>
5 <groupId>org.apache.maven.plugins</groupId>
6 <artifactId>maven-compiler-plugin</artifactId>
7 <version>3.8.1</version>
8 <configuration>
9 <source>1.8</source>
10 <target>1.8</target>
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87
👤 Saurav Sarkar
Coders Arcade ━━━━━━━━━━━━━━━━━━━ DevOps Lab Manual
11 </configuration>
12 </plugin>
13
14 <!-- Jar Plugin -->
15 <plugin>
16 <groupId>org.apache.maven.plugins</groupId>
17 <artifactId>maven-jar-plugin</artifactId>
18 <version>3.2.0</version>
19 <configuration>
20 <archive>
21 <manifest>
22 <mainClass>com.example.App</mainClass>
23 </manifest>
24 </archive>
25 </configuration>
26 </plugin>
27 </plugins>
28 </build>
29
🔨 Step 3: Build and Run the Maven Project
1. Open IntelliJ IDEA Terminal
Press Alt + F12 to open the terminal. 🖥️
2. Compile and Package the Project
Run the following commands to build the project:
1 mvn clean compile
2 mvn package
3
3. Locate the JAR File
After running the above, your .jar file will be located at:
1 D:\Idea Projects\MVNGRDLDEMO\target\MVNGRDLDEMO-1.0-SNAPSHOT.jar
2
4. Run the JAR File
To run the generated JAR file, use:
1 java -jar target\MVNGRDLDEMO-1.0-SNAPSHOT.jar
2
🚀 Part 2: Migrate Maven Project to Gradle
🔄 Step 1: Initialize Gradle in Your Project
1. Open Terminal in IntelliJ IDEA
Make sure you're in the project directory:
1 cd "D:\Idea Projects\MVNGRDLDEMO"
2
© 2025 Coders Arcade 📺 www.youtube.com/c/codersarcade
88
👤 Saurav Sarkar
Coders Arcade ━━━━━━━━━━━━━━━━━━━ DevOps Lab Manual
2. Run Gradle Init Command
Execute the following command to migrate your Maven project to Gradle:
1 gradle init --type pom
2
This command will convert your Maven pom.xml into a Gradle build.gradle file. 🏗️
🛠️ Step 2: Review and Update build.gradle
1. Open build.gradle in IntelliJ IDEA.
2. Ensure the following configurations are correct:
1 plugins {
2 id 'java'
3 }
4
5 group = 'com.example'
6 version = '1.0-SNAPSHOT'
7
8 repositories {
9 mavenCentral()
10 }
11
12 dependencies {
13 testImplementation 'junit:junit:4.13.2'
14 }
15
16 jar {
17 manifest {
18 attributes(
19 'Main-Class': 'com.example.App'
20 )
21 }
22 }
23
🔨 Step 3: Build and Run the Gradle Project
1. Clean and Build the Project
To clean and build your Gradle project, run:
1 gradle clean build
2
2. Run the Generated JAR File
Now, run the generated JAR file using:
1 java -jar build/libs/MVNGRDLDEMO-1.0-SNAPSHOT.jar
2
🎉 Conclusion
Congratulations! You have successfully:
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89
👤 Saurav Sarkar
