本文实例讲述了java之swing实现复选框的方法。分享给大家供大家参考。具体如下：
import java.awt.*; import javax.swing.*; import java.awt.event.*; public class test extends JApplet implements ItemListener{ JTextField jtf; public void init(){ Container contentPane = getContentPane(); contentPane.setLayout(new FlowLayout()); ImageIcon a1 = new ImageIcon("D:/data/Images/6.gif"); ImageIcon a2 = new ImageIcon("D:/data/Images/7.gif"); ImageIcon a3 = new ImageIcon("D:/data/Images/8.gif"); JCheckBox cb = new JCheckBox("C", a1); cb.setRolloverIcon(a2); cb.setSelectedIcon(a3); cb.addItemListener(this); contentPane.add(cb); cb = new JCheckBox("C++", a1); cb.setRolloverIcon(a2); cb.setSelectedIcon(a3); cb.addItemListener(this); contentPane.add(cb); cb = new JCheckBox("java", a1); cb.setRolloverIcon(a2); cb.setSelectedIcon(a3); cb.addItemListener(this); contentPane.add(cb); jtf = new JTextField(15); contentPane.add(jtf); } public void itemStateChanged(ItemEvent ie){ JCheckBox cb = (JCheckBox)ie.getItem(); jtf.setText(cb.getText()); } }
希望本文所述对大家的java程序设计有所帮助。
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