JAVA-图形化编程——排序

import java.awt.*;
import java.awt.event.ActionEvent;
import java.lang.reflect.Array;
import javax.swing.*;
import java.util.*;

public class 排序 {
    public static void main(String args[]) {

        //初始化控件们
        JFrame jf = new JFrame("小排序");
        jf.setLayout(new FlowLayout(FlowLayout.LEFT));
        jf.setBounds(400,300,300,300);

        JLabel l1 = new JLabel("输入数据");
        JLabel l2 = new JLabel("排序结果");
        JTextField t1 = new JTextField("", 30);
        JTextField t2 = new JTextField("", 30);
        JButton b1=new JButton("排序");
        //加入框架
        jf.add(b1);
        jf.add(l1);
        jf.add(t1);
       
        jf.add(l2);
        jf.add(t2);
        //可视化
        jf.setVisible(true);
        //给button添加事件监听器
        b1.addActionListener(new AbstractAction(){
                                 @Override public void actionPerformed(ActionEvent e) {
                                     String s=t1.getText();
                                     char []a=s.toCharArray();
                                     Arrays.sort(a);
                                     t2.setText(Arrays.toString(a));

                                 }
                             }
        );

    }

}