Creating jar files - noPEx/Packaging GitHub Wiki

$ls Box.java User.java

$cat Box.java class Box { int height; int width; int depth;

public int getArea( ) {
    return height*width*depth;
}

}

$cat User.java

class User { public static void main(String args[]) { Box b = new Box(); System.out.println("my new box is here"); } }

Now to package Box class. $jar cvf box.jar Box.class

Now to use it in User class $javac -cp .:box.jar User.java $java -cp .:box.jar User