import java.awt.EventQueue;
import javax.swing.JFrame;
public class MyFrame extends JFrame {
public MyFrame (){
super("Hello World");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
public class Test {
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
new Myframe();
}
});
}
}
}