package com.edu;

public class HelloWorld {

	public static void main(String[] args) {
		System.out.println("Hello World!");
		System.out.println("do my work");
	}
	
}

package com.edu;

public class HelloWorld {

	public static void main(String[] args) {
		System.out.println("Hello World!");
		System.out.println("do my work");
		System.out.println("online update");
	}
	
}

Update HelloWorld.java