package myproject1;

// add additional comments.
public class HelloWorld {
	public static void main(String[] args) {
		System.out.print("Hello World!");
		System.out.print("日本語を追加！");
	}
}

package myproject1;

// add additional comments.
public class HelloWorld {
	public static void main(String[] args) {
		// here is additional comment.
		System.out.print("Hello World!");
		System.out.print("日本語を追加！");
	}
}

add here is additional comment.