?? frame1.java
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package gridlayout;import java.awt.*;import java.awt.event.*;import javax.swing.*;public class Frame1 extends JFrame { JPanel contentPane; GridLayout gridLayout1 = new GridLayout(); Button button1 = new Button(); Button button2 = new Button(); Button button3 = new Button(); Button button4 = new Button(); Button button5 = new Button(); Button button6 = new Button(); Button button7 = new Button(); /**Construct the frame*/ public Frame1() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } /**Component initialization*/ private void jbInit() throws Exception { //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]"))); contentPane = (JPanel) this.getContentPane(); button1.setLabel("button1"); gridLayout1.setRows(4); gridLayout1.setColumns(2); contentPane.setLayout(gridLayout1); this.setSize(new Dimension(260, 217)); this.setTitle("GridLayout演示程序"); button2.setLabel("button2"); button3.setLabel("button3"); button4.setLabel("button4"); button5.setLabel("button5"); button6.setLabel("button6"); button7.setLabel("button7"); contentPane.add(button1, null); contentPane.add(button2, null); contentPane.add(button3, null); contentPane.add(button4, null); contentPane.add(button5, null); contentPane.add(button6, null); contentPane.add(button7, null); } /**Overridden so we can exit when window is closed*/ protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { System.exit(0); } }}?? 快捷鍵說明
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