import javax.swing.*;
import java.awt.*;
public class GridLayoutDemo extends JFrame{
public GridLayoutDemo()
　{
 super("网格布局");
 this.setSize(600,300);
 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void setlayout(){
 FlowLayout layout = new FlowLayout();
 Container Contain = getContentPane();
 Contain.setLayout(layout);
 for(int i=1; i<6;i++)
{
 JButton btn = new JButton("按钮"+i);
 Contain.add(btn);
 }
}
public static void main(String []args )
{
 GridLayoutDemo GridLay = new GridLayoutDemo();
 GridLay.setlayout();
 GridLay.show();
}
}