單個陣列

1.程式碼

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Calculator extends JFrame{ public static void main(String[]args){ JFrame window=new JFrame("Calculator"); JPanel jplPanel = new JPanel(); JButton button[]=new JButton[10]; for(int i=0;i<button.length;i++){ button[i] = new JButton(); button[i].setSize(50,50); button[i].setText(Integer.toString(i+1)); jplPanel.add(button[i]); } window.getContentPane().add(jplPanel, BorderLayout.CENTER); window.setSize(500,500); window.setVisible(true); }}

2.完成圖