如何在单击时让Secon JButton使用多个名称？

Question

我是JFrame按钮的新手，我有两个JButton。提交的工作有效，但当我尝试使用具有特定名称的另一个时，它不会将一个字符串输出到控制台。最后，第二个JButton（btn）将有不同的名称，但点击按钮时没有做任何事情。

package schoolprgm;

import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Arrays;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.WindowConstants;


public class Jeopardy extends JFrame  {


static JButton btn = new JButton();static JButton Submit = new JButton();
static JFrame frame = new JFrame("Jeopardy");static JPanel panel = new JPanel(new GridLayout(7,5,10,10));
static JTextField textField = new JTextField(10);
public  Jeopardy(){


    frame.setDefaultCloseOperation(3);
    frame.setVisible(true);

    Submit.addActionListener(new ButtonListener());
     btn.addActionListener(new ButtonListener());
 }

public static void main(String[] args) {
    // TODO Auto-generated method stub


     frame.setPreferredSize(new Dimension(1000,400));



        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        int Score = 0;
       JLabel l2 = new JLabel("Score: "+ String.valueOf(Score));
       JLabel l3 = new JLabel();
       ArrayList question = new ArrayList();
        JLabel l = new JLabel("Question: "+ question);

        Jeopardy.Submit.setText("Submit");

        l.setLabelFor(textField);


       /*label1.setText("Label1");

        panel.add(label1);
        panel.add(label2);
        panel.add(label3);
        panel.add(label4);
        panel.add(label5);
        panel.add(label6);
        *///panel.add(label7);


        String words = ("Category 1,Category 2,Category 3,Category 4,Category 5,Category 6,Category 7,C1: 100,100,100,100,100,100,100,200,200,200,200,200,200,200,300,300,300,300,300,300,300,400,400,400,400,400,400,400,500,500,500,500,500,500,500,999,999,99,999,999,999,999,999,999,999,999,999");
        ArrayList btnnames = new ArrayList();
        String[] words2 = words.split(",");
        btnnames.addAll(Arrays.asList(words2));
      frame.add(panel);
        for(int x=0;x<42;x++){

            if( x >= 0 && x<=6){
                JLabel label = new JLabel(String.valueOf(btnnames.get(x)));
                panel.add(label);
                label.setText(String.valueOf(btnnames.get(x)));
            }
            else{
           btn = new JButton(String.valueOf(btnnames.get(x)));
          Jeopardy.btn.setText(String.valueOf(btnnames.get(x)));
            panel.add(btn);
        }}


        panel.add(l);
        panel.add(textField);
        panel.add(Submit);
        panel.add(l2);
        panel.add(l3);



        frame.setContentPane(panel);
        frame.pack();
        frame.setVisible(true);
        frame.setResizable(false);

    frame.getContentPane().add(new Jeopardy());

}

}

class ButtonListener implements ActionListener {
@Override   

public void actionPerformed(ActionEvent e) {


     if (e.getActionCommand()=="Submit"){
        System.out.println("submit");
        System.out.println(Jeopardy.textField.getText());

    } if (e.getActionCommand()==("C1: 100")) {
      System.out.println("100 has been clicked");
    }


    }
}