计算器的图形界面(awt)

import java.awt.*; /** *计算器的图形界面 */ @SuppressWarnings("serial") public class CalculaterGUI extends Frame { private Panel panel; private Label label; private String[] names = { "7", "8", "9", "+", "4", "5", "6", "-", "1", "2", "3", "*", "0", ".", "=", "/" }; private Button[] buttons = new Button[16]; public CalculaterGUI(String title) { super(title); label = new Label(); panel = new Panel(); panel.setLayout(new GridLayout(4, 4)); add(label, BorderLayout.NORTH); add(panel, BorderLayout.CENTER); for (int i = 0; i < buttons.length; i++) { buttons[i] = new Button(names[i]); panel.add(buttons[i]); } pack(); setVisible(true); } public static void main(String[] args) { new CalculaterGUI("Calculater"); } }