flowlayoutdemo.java

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// 例6.4.1 FlowLayoutDemo.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class FlowLayoutDemo
{
	private JFrame jframe;
	private JButton jb1,jb2,jb3,jb4,jb5;
	public FlowLayoutDemo()
{
		jframe = new JFrame("FlowLayout演示窗口");
		Container c = jframe.getContentPane();  // 取得窗体的内容面板
		jb1 = new JButton("第一个按钮");
		jb2 = new JButton("第二个按钮");
		jb3 = new JButton("第三个按钮");
		jb4 = new JButton("第四个按钮");
		jb5 = new JButton("第五个按钮");
		
		c.setLayout(new FlowLayout());  // 设置布局管理器
		c.add(jb1);c.add(jb2);c.add(jb3);c.add(jb4);c.add(jb5);
		
		jframe.setSize(350,150);
		jframe.setVisible(true);
		jframe.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);	
			}	
		});
	}
	public static void main(String[] args)
{
		new FlowLayoutDemo();	
	}
}