import javax.swing.*;

public class Basic1 {
   public static void main(String[] args) {
      JFrame f = new JFrame("Basic Test1!"); //create the window
      f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //quit Java after closing the window
      f.setSize(200, 200); //set size in pixels
      f.setVisible(true); //show the window
   }
}