java基礎問題請教!

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問題 import java.awt.*;import java.awt.event.*;import javax.swing.*;public class GridLayoutDemo extends JFrame implements ActionListener{private JButton buttons[];private final String names[]={"one","two","three","four","five","six"};private boolean flag = true;private Container container;private GridLayout grid1,grid2;public GridLayoutDemo(){super("GridLayout Demo");grid1=new GridLayout(2,3,5,5);grid2=new GridLayout(3,2);Container container=getContentPane();container.setLayout(grid1);buttons=new JButton[names.length];for(int count=0;count

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