java网格布局管理器_GridLayout(row,col)

代码package com.charpter13;


 import java.awt.Container;

 import java.awt.GridLayout;


 import javax.swing.JButton;

 import javax.swing.JFrame;

 import javax.swing.WindowConstants;


 public class GridLayoutPosition extends JFrame{

     public GridLayoutPosition()

     {

         setTitle("网格布局管理器");

         Container container=getContentPane();

         setLayout(new GridLayout(7, 3, 10, 10));

         for (int i = 0; i < 18; i++) {

             container.add(new JButton("button"+i));

         }

         setVisible(true);

         setSize(600, 600);

         setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

         

     }

     public static void main(String[] args) {

         new GridLayoutPosition();

         

         

     }

 }