jframedemo.java

java Java书籍里面有很多初学java的资料

package container;
import javax.swing.*;
import java.awt.*;
public class jframeDemo extends JFrame{
  public static void main(String[] args) {
    jframeDemo obj = new jframeDemo();
    obj.DrawWindow();

  }
  void DrawWindow(){
    JPanel jp = new JPanel();
    JLabel jl = new JLabel("hello");
    jp.add(jl);
   this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    this.getContentPane().add(jp);
    this.pack();
   // this.setVisible(true);
   this.show();

  }
}