How to create a executable Jar file

How to Create a executable Jar file in intellij IDEA?

• Before creating a jar file first know about JAR.
• While developing a web application we have multiple java files.
• Now we will create a jar file contains .class files.

Steps:

• Create a sample java file in your project with class name as JarDemo like below.
• Below program we are printing a statement.

package com.company;

public class JarDemo {
    public static void main(String args[]) {
        System.out.println("This class will put in jar file");
    }
}

After creating a java file make sure program should be run successfully like below.

Jar File


Once program run successfully,lets create a Jar file.
For Jar File creation, follow given steps:

   1.Go to File > Project Structure > Artifacts > Click '+' > select Jar>select 'From modules with dependencies' > Create JAR from Modules popup will display.





2. Select Main class > Select any java file > Click OK > Again Click OK

3. After selecting class file will get information like below:

4.By default jar will create with project name and if you want rename you

 can do it (Simply right click Session.jar and rename it).I rename it

 to Demojar like below:

5. After rename your jar file name, click OK.Then your Jar file created in project with group of class files,see below:

Check in artifacts folder where jar file created.

6.Once successfully created the jar,Go to Build > Build Artifacts > Select your required jar and select Build

7. After build success,now run your JAR file.

8. For run Jar file, just right click on Jar file > select Run like below 

9. We can see output.So a Jar file created with group of class files.

Please comment below to feedback or ask questions.