import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Myself extends Frame {
       JButton Exit;     public Myself()     {
          super("myself");         setSize(250,300);         this.setLocation(300, 240);         this.setBackground(Color.green);         this.setLayout(new FlowLayout());         this.add(new Label("name"));         this.add(new TextField("哆啦",25));         this.add(new Label("Stud_Number"));         this.add(new TextField("19903311098",25));         this.add(new Label("sex"));         this.add(new TextField("woman",25));         this.add(new Label("political status"));         this.add(new TextField("Legue member",25));         Exit=new JButton("EXIT");         this.add(Exit);         this.addWindowListener(new WinClose());         this.setVisible(true);     }     public static void main(String[] args) {
          new Myself();   //实例化     } } class WinClose implements  WindowListener {
      public void windowClosing(WindowEvent ev)     {
          ev.getWindow().dispose();     }  //关闭窗口方法     public void windowOpened(WindowEvent ev) {}     public void windowClosed(WindowEvent ev) {}     public void windowIconified(WindowEvent ev) {}     public void windowDeiconified(WindowEvent ev) {}     public void windowActivated(WindowEvent ev) {}     public void windowDeactivated(WindowEvent ev) {} }