Java JTextArea中的控制台输出和用户输入

我正在使用GUI，我希望用户能够按下“应答”按钮，然后控制台将在启用用户输入的情况下在

textarea2

上打印。我需要做什么才能让JTextArea（

textarea2

）起到控制台的作用，并在接受用户输入的同时以

insertquestions

方法打印文本

package Scrambler;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;

import java.util.Random;
import java.util.Scanner;

public class GUI extends JFrame {

    private JMenuBar menuBar;
    private JButton button1;
    private JButton button2;
    private JPanel panel1;
    private JPanel panel2;
    private JTextField textfield2;
    private JTextArea textarea;
    private JTextArea textarea2;
    private JTextField textfield5;
    private JTextField textfield7;

    public GUI() {

        this.setTitle("UnScrambleGUI");
        this.setSize(500, 400);
        generateMenu();
        this.setJMenuBar(menuBar);

        JPanel contentPane = new JPanel(null);
        contentPane.setPreferredSize(new Dimension(500, 400));
        contentPane.setBackground(new Color(192, 192, 192));


        button1 = new JButton();
        button1.setBounds(56, 341, 103, 31);
        button1.setBackground(new Color(214, 217, 223));
        button1.setForeground(new Color(51, 153, 0));
        button1.setEnabled(true);
        button1.setFont(new Font("sansserif", 0, 12));
        button1.setText("Print Words");
        button1.setVisible(true);

        button1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                insertwords(evt);
            }
        });


        button2 = new JButton();
        button2.setBounds(311, 341, 95, 31);
        button2.setBackground(new Color(214, 217, 223));
        button2.setForeground(new Color(51, 153, 0));
        button2.setEnabled(true);
        button2.setFont(new Font("sansserif", 0, 12));
        button2.setText("Answer");
        button2.setVisible(true);

        button2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                insertquestions(evt);
            }
        });


        panel1 = new JPanel(null);
        panel1.setBorder(BorderFactory.createEtchedBorder(1));
        panel1.setBounds(22, 92, 179, 237);
        panel1.setBackground(new Color(214, 217, 223));
        panel1.setForeground(new Color(0, 0, 0));
        panel1.setEnabled(true);
        panel1.setFont(new Font("sansserif", 0, 12));
        panel1.setVisible(true);

        panel2 = new JPanel(null);
        panel2.setBorder(BorderFactory.createEtchedBorder(1));
        panel2.setBounds(229, 170, 258, 161);
        panel2.setBackground(new Color(214, 217, 223));
        panel2.setForeground(new Color(0, 0, 0));
        panel2.setEnabled(true);
        panel2.setFont(new Font("sansserif", 0, 12));
        panel2.setVisible(true);

        textfield2 = new JTextField();
        textfield2.setBounds(74, 65, 89, 25);
        textfield2.setBackground(new Color(153, 153, 153));
        textfield2.setForeground(new Color(255, 255, 255));
        textfield2.setEnabled(true);
        textfield2.setFont(new Font("sansserif", 0, 12));
        textfield2.setText("    Word List");
        textfield2.setVisible(true);

        textarea = new JTextArea();
        textarea.setBounds(10, 9, 156, 219);
        textarea.setBackground(new Color(255, 255, 255));
        textarea.setForeground(new Color(0, 0, 0));
        textarea.setEnabled(true);
        textarea.setFont(new Font("sansserif", 0, 12));
        textarea.setText("");
        textarea.setVisible(true);

        textarea2 = new JTextArea();
        textarea2.setBounds(9, 9, 237, 143);
        textarea2.setBackground(new Color(255, 255, 255));
        textarea2.setForeground(new Color(0, 0, 0));
        textarea2.setEnabled(true);
        textarea2.setFont(new Font("sansserif", 0, 12));
        textarea2.setText("");
        textarea2.setVisible(true);

        textfield5 = new JTextField();
        textfield5.setBounds(307, 140, 89, 28);
        textfield5.setBackground(new Color(153, 153, 153));
        textfield5.setForeground(new Color(255, 255, 255));
        textfield5.setEnabled(true);
        textfield5.setFont(new Font("sansserif", 0, 12));
        textfield5.setText(" Answer Here:");
        textfield5.setVisible(true);

        textfield7 = new JTextField();
        textfield7.setBounds(164, 10, 175, 37);
        textfield7.setBackground(new Color(102, 102, 102));
        textfield7.setForeground(new Color(255, 255, 255));
        textfield7.setEnabled(true);
        textfield7.setFont(new Font("Tahoma", 0, 18));
        textfield7.setText(" Unscrambler Game");
        textfield7.setVisible(true);

        contentPane.add(button1);
        contentPane.add(button2);
        contentPane.add(panel1);
        contentPane.add(panel2);
        contentPane.add(textfield2);
        panel1.add(textarea);
        panel2.add(textarea2);
        contentPane.add(textfield5);
        contentPane.add(textfield7);

        this.add(contentPane);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setLocationRelativeTo(null);
        this.pack();
        this.setVisible(true);


    }

    private void insertwords(ActionEvent evt) {

        Random r = new Random();

        String word1 = "application";
        String word2 = "programming";
        String word3 = "variable";
        String word4 = "method";
        String word5 = "class";
        String word6 = "package";
        String word7 = "import";
        String word8 = "boolean";
        String word9 = "debugger";
        String word10 = "syntax";
        String word11 = "compile";
        String word12 = "computer";

        String line1 = "-----------------------------------------";
        word1 = scramble(r, word1);
        String one = "#1- " + word1;
        word2 = scramble(r, word2);
        String two = "#2- " + word2;
        word3 = scramble(r, word3);
        String three = "#3- " + word3;
        word4 = scramble(r, word4);
        String four = "#4-  " + word4;
        word5 = scramble(r, word5);
        String five = "#5- " + word5;
        word6 = scramble(r, word6);
        String six = "#6- " + word6;
        word7 = scramble(r, word7);
        String seven = "#7- " + word7;
        word8 = scramble(r, word8);
        String eight = "#8- " + word8;
        word9 = scramble(r, word9);
        String nine = "#9- " + word9;
        word10 = scramble(r, word10);
        String ten = "#10- " + word10;
        word11 = scramble(r, word11);
        String elev = "#11- " + word11;
        word12 = scramble(r, word12);
        String twel = "#12- " + word12;
        String line2 = ("-----------------------------------------");

        textarea.setText(one + "\n" + two + "\n" + three + "\n" + four + "\n" + five + "\n" + six + "\n" + seven + "\n" + eight + "\n" + nine + "\n" + ten + "\n" + elev + "\n" + twel + "\n");


    }


    private void insertquestions(ActionEvent evt) {
        boolean incorrect = true;

        for (int attempts = 0; attempts < 3 && incorrect; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #1?");
            String answer1 = input.nextLine();

            if (!"application".equals(answer1)) {
                System.out.println("Incorrect. Hint: This runs on your computer.");
            } else {
                System.out.println("Correct.");
                incorrect = false;

            }
        }
        boolean incorrect2 = true;

        for (int attempts = 0; attempts < 3 && incorrect2; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #2?");
            String answer2 = input.nextLine();
            if (!"programming".equals(answer2)) {
                System.out.println("Incorrect. Hint: Writing code for a computer.");
            } else {
                System.out.println("Correct.");
                incorrect2 = false;
            }
        }
        boolean incorrect3 = true;

        for (int attempts = 0; attempts < 3 && incorrect3; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #3?");
            String answer3 = input.nextLine();
            if (!"variable".equals(answer3)) {
                System.out.println("Incorrect. Hint: A value in a program that can be changed.");
            } else {
                System.out.println("Correct.");
                incorrect3 = false;
            }
        }

        boolean incorrect4 = true;

        for (int attempts = 0; attempts < 3 && incorrect4; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #4?");
            String answer4 = input.nextLine();
            if (!"method".equals(answer4)) {
                System.out.println("Incorrect. Hint: Tells the computer to do a procedure.");
            } else {
                System.out.println("Correct.");
                incorrect4 = false;
            }
        }

        boolean incorrect5 = true;

        for (int attempts = 0; attempts < 3 && incorrect5; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #5?");
            String answer5 = input.nextLine();
            if (!"class".equals(answer5)) {
                System.out.println("Incorrect. Hint: Used to describe one or more objects in a program.");
            } else {
                System.out.println("Correct.");
                incorrect5 = false;
            }
        }

        boolean incorrect6 = true;

        for (int attempts = 0; attempts < 3 && incorrect6; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #6?");
            String answer6 = input.nextLine();

            if (!"package".equals(answer6)) {
                System.out.println("Incorrect. Hint: Organizes a set of classes or interfaces.");
            } else {
                System.out.println("Correct.");
                incorrect6 = false;
            }
        }

        boolean incorrect7 = true;

        for (int attempts = 0; attempts < 3 && incorrect7; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #7?");
            String answer7 = input.nextLine();
            if (!"import".equals(answer7)) {
                System.out.println("Incorrect. Hint: To send data from one program to another.");
            } else {
                System.out.println("Correct.");
                incorrect7 = false;
            }
        }

        boolean incorrect8 = true;

        for (int attempts = 0; attempts < 3 && incorrect8; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #8?");
            String answer8 = input.nextLine();
            if (!"boolean".equals(answer8)) {
                System.out.println("Incorrect. Hint: True or False?");
            } else {
                System.out.println("Correct.");
                incorrect8 = false;
            }
        }

        boolean incorrect9 = true;

        for (int attempts = 0; attempts < 3 && incorrect9; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #9?");
            String answer9 = input.nextLine();
            if (!"debugger".equals(answer9)) {
                System.out.println("Incorrect. Hint: Used to exterminate bugs.");
            } else {
                System.out.println("Correct.");
                incorrect9 = false;
            }
        }

        boolean incorrect10 = true;

        for (int attempts = 0; attempts < 3 && incorrect10; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #10?");
            String answer10 = input.nextLine();
            if (!"syntax".equals(answer10)) {
                System.out.println("Incorrect. Hint: Set of rules to follow while programming.");
            } else {
                System.out.println("Correct.");
                incorrect10 = false;
            }
        }

        boolean incorrect11 = true;

        for (int attempts = 0; attempts < 3 && incorrect11; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #11?");
            String answer11 = input.nextLine();
            if (!"compile".equals(answer11)) {
                System.out.println("Incorrect. Hint: To translate code into a understandable language for a machine.");
            } else {
                System.out.println("Correct.");
                incorrect11 = false;
            }
        }

        boolean incorrect12 = true;

        for (int attempts = 0; attempts < 3 && incorrect12; attempts++) {
            Scanner input = new Scanner(System.in);
            System.out.println("What is the answer to #12?");
            String answer12 = input.nextLine();
            if (!"computer".equals(answer12)) {
                System.out.println("Incorrect. Hint: What you are using right now.");
            } else {
                System.out.println("Correct.");
                incorrect12 = false;
            }


        }

    }

    public void generateMenu() {
        menuBar = new JMenuBar();

        JMenu file = new JMenu("File");
        JMenu tools = new JMenu("Tools");
        JMenu help = new JMenu("Help");

        JMenuItem open = new JMenuItem("Open   ");
        JMenuItem save = new JMenuItem("Save   ");
        JMenuItem exit = new JMenuItem("Exit   ");
        JMenuItem preferences = new JMenuItem("Preferences   ");
        JMenuItem about = new JMenuItem("About   ");


        file.add(open);
        file.add(save);
        file.addSeparator();
        file.add(exit);
        tools.add(preferences);
        help.add(about);

        menuBar.add(file);
        menuBar.add(tools);
        menuBar.add(help);
    }


    public static void main(String[] args) {
        System.setProperty("swing.defaultlaf", "com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new GUI();
            }
        });
    }


    public static String scramble(Random random, String inputString) {

        char a[] = inputString.toCharArray();

        for (int n = 0; n < a.length - 1; n++) {
            int k = random.nextInt(a.length - 1);

            char temp = a[n];
            a[n] = a[k];
            a[k] = temp;
        }

        return new String(a);
    }
}

包扰频器；
导入java.awt.*；
导入java.awt.event.ActionEvent；
导入java.awt.event.ActionListener；
导入javax.swing.*；
导入java.util.Random；
导入java.util.Scanner；
公共类GUI扩展JFrame{
私人杰门努巴·梅努巴；
私人按钮1；
私人按钮2；
私人JPanel小组1；
私人JPanel小组2；
私有JTextField textfield2；
私人JTEXTEXTAREA textarea；
私人区域文本区域2；
私有JTextField textfield5；
私有JTextField textfield 7；
公共图形用户界面（）{
本文件的标题（“解读”）；
这个。设置大小（500400）；
生成单元（）；
这个.setJMenuBar（菜单栏）；
JPanel contentPane=新的JPanel（null）；
setPreferredSize（新维度（500400））；
挫折背景（新颜色（192192192））；
button1=新的JButton（）；
按钮1.立根（563411331）；
按钮1.挫折背景（新颜色（214217223））；
按钮1.设置前景（新颜色（51153,0））；
按钮1.setEnabled（真）；
按钮1.设置字体（新字体（“sansserif”，0，12））；
按钮1.setText（“打印文字”）；
按钮1.设置可见（真）；
button1.addActionListener（新ActionListener（）{
已执行的公共无效操作（操作事件evt）{
插入词（evt）；
}
});
button2=新的JButton（）；
按钮2.立根（3113419531）；
按钮2.后退（新颜色（214217223））；
按钮2.设置前景（新颜色（51153,0））；
按钮2.setEnabled（真）；
按钮2.设置字体（新字体（“sansserif”，0，12））；
按钮2.setText（“应答”）；
按钮2.setVisible（真）；
button2.addActionListener（新建ActionListener（）{
已执行的公共无效操作（操作事件evt）{
插入问题（evt）；
}
});
panel1=新JPanel（空）；
panel1.setBorder（BorderFactory.CreateEdtchedBorder（1））；
小组1.立根（22,92,179,237）；
镶板1.背景（新颜色（214217223））；
面板1.设置前景（新颜色（0,0,0））；
panel1.setEnabled（真）；
面板1.setFont（新字体（“sansserif”，0，12））；
面板1.设置可见（真）；
panel2=新JPanel（空）；
panel2.setBorder（BorderFactory.createEtchedBorder（1））；
镶板2.立根（229170258161）；
镶板2.背景（新颜色（214217223））；
面板2.设置前景（新颜色（0,0,0））；
panel2.setEnabled（真）；
面板2.setFont（新字体（“sansserif”，0，12））；
面板2.设置可见（真）；
textfield2=新的JTextField（）；
textfield2.挫折（74,65,89,25）；
textfield2.挫折背景（新颜色（153153153））；
textfield2.setForeground（新颜色（255、255、255））；
textfield2.setEnabled（true）；
textfield2.setFont（新字体（“sansserif”，0，12））；
textfield2.setText（“单词列表”）；
textfield2.setVisible（true）；
textarea=新的JTextArea（）；
textarea.setBounds（10,9,156,219）；
textarea.setBackground（新颜色（255、255、255））；
设置前景（新颜色（0,0,0））；
textarea.setEnabled（true）；
setFont（新字体（“sansserif”，0，12））；
textarea.setText（“”）；
textarea.setVisible（true）；
textarea2=新的JTextArea（）；
文本区域2.立根（9,9,237,143）；
文本区域2.收进背景（新颜色（255、255、255））；
textarea2.设置前景（新颜色（0,0,0））；
textarea2.setEnabled（真）；
textarea2.setFont（新字体（“sansserif”，0，12））；
textarea2.setText（“”）；
textarea2.setVisible（true）；
textfield5=新的JTextField（）；
textfield5.挫折（307140，89，28）；
textfield5.挫折背景（新颜色（153153153））；
textfield5.setForeground（新颜色（255、255、255））；
textfield5.setEnabled（true）；
textfield5.setFont（新字体（“sansserif”，0，12））；
textfield5.setText（“在这里回答：”）；
textfield5.setVisible（true）；
textfield7=新的JTextField（）；
textfield7.挫折（164,10,175,37）；
textfield7.挫折背景（新颜色（102102102））；
textfield7.setForeground（新颜色（255、255、255））；
textfield7.setEnabled（true）；
textfield7.setFont（新字体（“Tahoma”，0,18））；
textfield7.setText（“解读者游戏”）；
textfield7.setVisible（true）；
contentPane.add（按钮1）；
contentPane.add（按钮2）；
contentPane.add（panel1）；
contentPane.add（panel2）；
contentPane.add（textfield2）；
面板1.添加（文本区域）；
面板2.添加（文本区域2）；
contentPane.add（textfield5）；
contentPane.add（textfield7）；
添加（contentPane）；
此.setDefaultCloseOperation（JFrame.EXIT_ON_CLOSE）；
此.setLocationRelativeTo（空）；
这个包（）；
此.setVisible（true）；
}
私有void insertwords（ActionEvent evt）{
随机r=新随机（）；
String word1=“应用程序”；
String word2=“编程”；
String word3=“变量”；
String word4=“方法”；
String word5=“class”；
String word6=“package”；
String word7=“导入”；
字符串word8=“boolean”；
String word9=“调试器”；
String word10=“语法”；
String word11=“编译”；
String word12=“计算机”；
字符串line1=“----------------------------------------------”；
word1=紧急停堆