import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ch9_29 extends JFrame
{
    {
        setBounds(20,20,500,300);
        getContentPane().setLayout(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);              
    }
    public static void main(String [] args)
    {
        ch9_29 f=new ch9_29();
        f.getContentPane().setLayout(new BorderLayout());
        
        JPanel p1=new JPanel();
        p1.setLayout(new GridBagLayout());
        GridBagConstraints gbc=new GridBagConstraints();
        gbc.anchor=GridBagConstraints.WEST;
        gbc.insets=new Insets(2,2,2,2);
        
        p1.setBorder(BorderFactory.createTitledBorder("你的基本數據"));
        JLabel l1=new JLabel("姓名:");
        JLabel l2=new JLabel("性別:");
        JLabel l3=new JLabel("身高:");
        JLabel l4=new JLabel("體重:");
        
        JTextField t1=new JTextField();
        JTextField t2=new JTextField(2);
        JTextField t3=new JTextField("175cm");
        JTextField t4=new JTextField("50kg-太瘦了",10);
        
        gbc.gridy=1;
        gbc.gridx=0;
        p1.add(l1,gbc);
        gbc.gridx=1;
        p1.add(t1,gbc);
        
        gbc.gridy=2;
        gbc.gridx=0;
        p1.add(l2,gbc);
        gbc.gridx=1;
        p1.add(t2,gbc);
        
        gbc.gridy=3;
        gbc.gridx=0;
        p1.add(l3,gbc);
        gbc.gridx=1;
        p1.add(t3,gbc);
        
        gbc.gridy=4;
        gbc.gridx=0;
        p1.add(l4,gbc);
        gbc.gridx=1;
        p1.add(t4,gbc);
        
        f.getContentPane().add(p1);
        f.pack();
        f.show();
    }
        

}