Question

求JAVA大神用swing组件编写如图一小程序

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实在是没分了，多谢各位了
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Answer 1

import javax.swing.*;

public class Swing {
JFrame frame;
JPanel panel;
JLabel jla1,jla2,jla3;
JButton jbu;
JTextField jtf1,jtf2;
JComboBox box;
static final String[] email={"263.net","163.com","qq.com"};

public Swing(){
frame=new JFrame();
frame.setSize(600,300);
frame.setLocation(200,100);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);

jla1=new JLabel("邮箱");
jla2=new JLabel("@");
jla3=new JLabel("密码");

jtf1=new JTextField("用户名",10);
jtf2=new JTextField("密码",10);

box=new JComboBox(email);

jbu=new JButton("登陆");

panel=new JPanel();

panel.add(jla1);
panel.add(jtf1);
panel.add(jla2);
panel.add(box);
panel.add(jla3);
panel.add(jtf2);
panel.add(jbu);

frame.add(panel);

}

public static void main(String args[]){
new Swing();
}
}