
public class MyTest {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.println("Hello my Library");
		System.out.println("Hello again!");
		System.out.println("Hello again and again!");
	}

}


public class MyTest {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.println("Hello my Library");
		System.out.println("Hello again!");
		System.out.println("Hello again and again!");
		System.out.println("Hello，I am hello Demo!");
	}

}

Update MyTest.java