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如何在静态实例中向JButton添加ActionListener?

我在任何地方都找不到任何工作,而且代码似乎与你在applet中的方式不同,我已经习惯了.我是新手.我怎样才能在我的JButtons中添加一个ActionListener(就是它?还是我在寻找其他东西?)?(我不确定是什么原因导致该code块变得如此不可思议,我无法解决它.)

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import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class Main implements ActionListener{

static String answerOne = "";
static String answerTwo = "";
static boolean answerable = false;
static int labelX = 240, labelY = 48;
static int questionWrite = 0;
static String text = "Welcome! I will ask simple, two-answer questions, and you will answer them. Simple as that. ";
static int charIndex = 0;

private static void createAndShowGUI() {
    JFrame frame = new JFrame("FrameDemo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JLabel …
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java swing

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