package diyiti;
public class Example11_3 {
public static void main(String[] args) {
ComponentInWindow win=new ComponentInWindow();
win.setBounds(100,100,310,260);
win.setTitle("常用组件");
}
}
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package diyiti;
import java.awt.*;
import javax.swing.*;
public class ComponentInWindow extends JFrame{
JTextField text;
JButton button;
JCheckBox checkBox1,checkBox2,checkBox3;
JRadioButton radio1,radio2;
ButtonGroup group;
JComboBox comBox;
JTextArea area;
public ComponentInWindow() {
init();
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
void init() {
setLayout(new FlowLayout());
add(new JLabel("文本框:"));
text=new JTextField(10);
add(text);
add(new JLabel("按钮:"));
button=new JButton("确定");
add(button);
add(new JLabel("选择框:"));
checkBox1=new JCheckBox("喜欢音乐");
checkBox2=new JCheckBox("喜欢旅游");
checkBox3=new JCheckBox("喜欢篮球");
add(checkBox1);
add(checkBox2);
add(checkBox3);
add(new JLabel("单选按钮:"));
group=new ButtonGroup();
radio1=new JRadioButton("男");
radio2=new JRadioButton("女");
group.add(radio1);
group.add(radio2);
add(radio1);
add(radio2);
add(new JLabel("下拉列表:"));
comBox=new JComboBox();
comBox.addItem("音乐天地");
comBox.addItem("武术天地");
comBox.addItem("象棋乐园");
add(comBox);
add(new JLabel("文本区:"));
area= new JTextArea(6,13);
add(new JScrollPane(area));
}
}