JPanel面板

package jframe; import java.awt.Container; import java.awt.GridLayout; import javax.swing.*;  public class @H_406_28@jframe extends JFrame{          /**      *       */     PRivate static final long serialVersionUID = 1L;          public jframe(){         this.setTITle("test");         Container con = this.getContentPane();         JPanel p1 = new JPanel(new GridLayout(1,2,5,5));                        //实例化两个JPanel面板         JPanel p2 = new JPanel(new GridLayout(2,1,5,5));         p1.add(new JButton("1"));                                                //加入按钮         p1.add(new JButton("1"));         p2.add(new JButton("2"));         p2.add(new JButton("2"));         con.setLayout(new GridLayout(2,1,10,10));         con.add(p1);         con.add(p2);         this.setVisible(true);         this.setBounds(50, 50, 200, 200);         this.setDefaultCloseoperation(DISPOSE_ON_CLOSE);            //设置关闭方式，可以选择多种关闭玄子选项     }     public static void main(String[] args) {         new jframe();     } } 

JScrollPane面板（带滚动条的面板）

package jframe; import java.awt.Container; import javax.swing.*;  public class jframe extends JFrame{          /**      *       */     private static final long serialVersionUID = 1L;          public jframe(){         this.setTitle("test");         Container con = this.getContentPane();         JScrollPane jp = new JScrollPane(new JTextArea(50,20));        //实例化一个面板，加入一个文字编辑器         con.add(jp);         this.setVisible(true);         this.setBounds(50, 50, 200, 200);         this.setDefaultCloseOPEration(DISPOSE_ON_CLOSE);            //设置关闭方式，可以选择多种关闭玄子选项     }     public static void main(String[] args) {         new jframe();     } }