java - 如何在java中的不同类中重新生成随机数？

Question

我对 Java 还很陌生，所以如果我的问题看起来很明显，请原谅我......我正在制作一个随机侮辱生成器，它可以使用的所有单词“词汇”都在一个名为“generate”的类中()。我希望能够在不同类中的 randomize() 方法中更改从generate() 中随机生成的数字，该方法名为insulmGenerator()。这是侮辱生成器()类的代码:

import java.awt.Dimension;
import java.awt.event.*;
import java.util.Random;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingConstants;

public class insultGenerator {

    public static void main(String args[]){

        generate g = new generate();

        g.frame.setLayout(null);
        g.frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JButton button = new JButton("Generate New Insult");
        button.setBounds(75, 100, 150, 40);
        button.addActionListener(new Action());
        g.frame.add(button);

        g.frame.setPreferredSize(new Dimension(300, 200));
        g.frame.setLocationRelativeTo(null);
        g.frame.pack();
        g.frame.setVisible(true);

        if(g.beginning == 0) {
            JLabel insult = new JLabel((g.beginningList[g.beginning] + g.secondList[g.second] + g.fourthList[g.fourth] + g.thirdList[g.third] + g.endingList[g.ending]),SwingConstants.CENTER);
            insult.setBounds(0, 38, 300, 25);
            g.frame.add(insult);
        } else {
            JLabel insult = new JLabel((g.beginningList[g.beginning] + g.firstList[g.first] + g.secondList[g.second] + g.fourthList[g.fourth] + g.thirdList[g.third] + g.endingList[g.ending]),SwingConstants.CENTER);
            insult.setBounds(0, 38, 300, 25);
            g.frame.add(insult);
        } 
    }

    static class Action extends generate implements ActionListener {
        generate g = new generate();
        public void actionPerformed(ActionEvent e) {
            //what happens when the button is clicked

            randomize();

            if(g.beginning == 0) {
                JLabel insult = new JLabel((g.beginningList[g.beginning] + g.secondList[g.second] + g.fourthList[g.fourth] + g.thirdList[g.third] + g.endingList[g.ending]),SwingConstants.CENTER);
                insult.setBounds(0, 38, 300, 25);
                g.frame.add(insult);
            } else {
                JLabel insult = new JLabel((g.beginningList[g.beginning] + g.firstList[g.first] + g.secondList[g.second] + g.fourthList[g.fourth] + g.thirdList[g.third] + g.endingList[g.ending]),SwingConstants.CENTER);
                insult.setBounds(0, 38, 300, 25);
                g.frame.add(insult);
            }
        }
    }

    public static void randomize() {
        //regenerate the random numbers in generate()

        generate g = new generate();

        g.beginning = g.begin.nextInt(2);
        g.first = g.one.nextInt(3);
        g.second = g.two.nextInt(5);
        g.third = g.three.nextInt(23);
        g.fourth = g.four.nextInt(14);
        g.ending = g.end.nextInt(3);

    }
}

这是我的generate() 类的代码:

    import java.util.Random;

    import javax.swing.JFrame;
    public class generate {

        JFrame frame = new JFrame("Insult Generator");

        Random begin = new Random();
        int beginning = begin.nextInt(2);

        Random one = new Random();
        int first = one.nextInt(3);

        Random two = new Random();
        int second = two.nextInt(5);

        Random three = new Random();
        int third = three.nextInt(23);

        Random four = new Random();
        int fourth = four.nextInt(14);

        Random end = new Random();
        int ending = end.nextInt(3);

        String[] beginningList = {"You ", "Your "};
        String[] firstList = {"parents ", "friends ", "grandparents "};
        String[] secondList = {"are ", "smell ", "look ", "sound ", "act "};
        String[] thirdList = {"bad", "dumb", "ugly", "stupid", "fat", "terrible", "crappy", "poopy", "weird", "horrible", "atrocious", "awful", "gross", "substandard", "yucky", "unacceptable", "smelly", "rancid", "annoying", "disturbing", "creepy", "idiotic", "lame"};
        String[] fourthList = {"", "very ", "really ", "extremely ", "pretty ", "actually ", "quite ", "too ", "totally ", "strikingly ", "immensely ", "so ", "way too ", "kinda "};
        String[] endingList = {".", "!", "..."};
    }

同样，问题是 randomize() 方法没有更改变量的值。抱歉，如果我提供的代码多于必要的代码，但我认为这总比不够好......提前致谢!

Answer 1

您的问题是，您在每个方法中创建生成对象，最终它并没有对主类中创建的生成对象产生任何影响。尝试将 main 方法中创建的生成对象传递给 Action 类并随机化

随机化 - 方法

  public static void randomize(Generate g) {
    //reGenerate the random numbers in Generate()


    g.beginning = g.begin.nextInt(2);
    g.first = g.one.nextInt(3);
    g.second = g.two.nextInt(5);
    g.third = g.three.nextInt(23);
    g.fourth = g.four.nextInt(14);
    g.ending = g.end.nextInt(3);

}

Action

    static class Action extends Generate implements ActionListener {
    Generate g = null;
    public Action(Generate g) {
        this.g = g;
    } 
    ….
    …
   }

“从 main 创建操作”

button.addActionListener(new Action(g));