gridbagtest1.java

java程序设计 清华出版社 孙燮华老师编写的程序源代码

//gridbagtest1.java
//Author X.H.Sun, 2001.04.12

import java.awt.*;
import java.awt.event.*;

public class gridbagtest1 extends Frame{
  Button button1,button2;
  TextArea text1;

  public gridbagtest1(){
    GridBagLayout gbl=new GridBagLayout();
    GridBagConstraints gbc=new GridBagConstraints();
    setLayout(gbl);
    //gbc.fill=GridBagConstraints.VERTICAL;
   
    button1=new Button("Ted");
    gbl.setConstraints(button1,gbc);
    add(button1);
   
    button2=new Button("Stevenson");
    gbl.setConstraints(button2,gbc);
    add(button2);

    text1=new TextArea("",5,10);
    gbc.gridwidth=GridBagConstraints.REMAINDER;
    gbl.setConstraints(text1,gbc);
    add(text1);
    setSize(250,250);
    setVisible(true);
  }
  public static void main(String args[]){
    gridbagtest1 myGridbag=new gridbagtest1();
  }
}