import java.awt.*;
import javax.swing.*;
 
public class GridBagLayoutDemo extends JFrame {
 
   public GridBagLayoutDemo() {  //构造函数
    Container contentPane = getContentPane();  //得到容器
    contentPane.setLayout(new GridBagLayout());  //设置布局管理器
 
    JLabel labelName=new JLabel("姓名");  //姓名标签
    JLabel labelSex=new JLabel("性别");  //性别标签
    JLabel labelAddress=new JLabel("住址");  //住址标签
    JTextField textFieldName = new JTextField();  //性名文本域
    JTextField textFieldAddress = new JTextField(); //地址文本域
    JComboBox comboBoxSex = new JComboBox();  //性别组合框
    comboBoxSex.addItem("男");   //增加选择项
    comboBoxSex.addItem("女");
    JButton buttonConfirm=new JButton("确定");  //确定按钮
    JButton buttonCancel=new JButton("退出");  //退出按钮
 
    //增加各个组件
    contentPane.add(labelName,         new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(0, 5, 0, 0), 0, 0));
    contentPane.add(textFieldName,      new GridBagConstraints(1, 0, 1, 1, 1.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(5, 5, 0, 5), 0, 0));
    contentPane.add(comboBoxSex,           new GridBagConstraints(3, 0, 1, 1, 1.0, 0.0
            ,GridBagConstraints.NORTHWEST, GridBagConstraints.HORIZONTAL, new Insets(5, 5, 0, 5), 0, 0));
    contentPane.add(labelSex,        new GridBagConstraints(2, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(5, 5, 0, 0), 0, 0));
    contentPane.add(buttonConfirm,      new GridBagConstraints(1, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(5, 0, 3, 0), 0, 0));
    contentPane.add(buttonCancel,     new GridBagConstraints(3, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(5, 0, 3, 0), 0, 0));
    contentPane.add(labelAddress,     new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(0, 5, 0, 0), 0, 0));
    contentPane.add(textFieldAddress,     new GridBagConstraints(1, 1, 3, 1, 0.0, 0.0
            ,GridBagConstraints.NORTHWEST, GridBagConstraints.HORIZONTAL, new Insets(5, 5, 0, 5), 0, 0));
 
    setTitle("GridBagLayout 演示");  //设置窗口标题
    setSize(300,140);  //设置窗口尺寸
    setVisible(true);  //设置窗口可见
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  //关闭窗口时退出程序
   }
 
   public static void main(String args[])   {
      new GridBagLayoutDemo();
   }
}

import java.awt.*;
 
    import javax.swing.*;
 
    public class BorderLayoutDemo extends JFrame{
 
       public static void main( String args[] ){  //构造函数
          Container container = getContentPane();  //得到容器
          container.setLayout( new BorderLayout() ); //设置布局管理器为Borderlayout
 
          container.add(new JButton("North"), BorderLayout.NORTH);  //增加按钮
          container.add(new JButton("South"), BorderLayout.SOUTH);
          container.add(new JButton("East"), BorderLayout.EAST);
          container.add(new JButton("West"), BorderLayout.WEST);
          container.add(new JButton("Center"), BorderLayout.CENTER);
 
          setTitle("BorderLayout 演示");  //设置窗口标题
          setSize(280,200);  //设置主窗口尺寸
          setVisible(true);  //设置主窗口可视
          setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  //关闭窗口时退出程序
       }
 
       public static void main( String args[] ){
         new BorderLayoutDemo();
       }
    }