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用Java創建按鈕組32313133353236313431303231363533e59b9ee7ad9431333332643966的程序如下:import?java.awt.GridLayout;

import?java.awt.event.ActionEvent;

import?java.awt.event.ActionListener;

import?javax.swing.JButton;

import?javax.swing.JFrame;

public?class?A?extends?JFrame?implements?ActionListener{

JButton[]?b=new?JButton[10];

A(){

setLayout(new?GridLayout(3,4,5,5));

for(int?i=0;i<10;i++){

b[i]=new?JButton(String.valueOf(i));

b[i].addActionListener(this);

add(b[i]);

}

setSize(300,300);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setVisible(true);

}

public?static?void?main(String[]?args)?{

new?A();

}

public?void?actionPerformed(ActionEvent?ae)?{

}

}