使用 Java 中的其他类从 Main 方法更改变量？

Question

我正在制作剪刀石头布游戏。我想使用其他类更改 Main 方法中的变量。我该怎么做？这是我的代码。

主要方法

import java.util.Scanner;


public class RPSApp 
{

public static void main(String[] args) 
{
    int userThrow, cpuThrow;
    final int ROCK = 1, PAPER = 2, SCISSORS = 3;
    String rockName = "Rock", paperName = "Paper", scissorsName = "Scissors";
    String nameOfGame = "Rock, Paper, Scissors";
    String userThrowEng, cpuThrowEng;
    int outcome;
    int langSel = 1;
    String userInput;
    boolean keepPlaying = true;

    Scanner input = new Scanner(System.in);
    Random generator = new Random();
    LanguageHandler language = new LanguageHandler();
    GameHandler game = new GameHandler();

    System.out.println("Select Language");
    System.out.println();
    System.out.println("(1) US\n(2) UK");
    System.out.println();
    System.out.print(">");

    langSel = input.nextInt();

    if (langSel == 2)
    {
        language.setBritish();
    }

    System.out.println("Welcome to " + nameOfGame + "!");

LanguageHandler.java

public class LanguageHandler 
{
    public void setBritish ()
    {
        nameOfGame = "Paper, Scissors, Stone";
        rockName = "Stone";
    }
}

然而，这不起作用。我该如何让它发挥作用？

谢谢！

Answer 1

Java代码

        public class TestProgram {
        public static void main(String[] args) throws FileNotFoundException {
            {
                int userThrow, cpuThrow;
                final int ROCK = 1, PAPER = 2, SCISSORS = 3;
                String rockName = "Rock", paperName = "Paper", scissorsName = "Scissors";
                String nameOfGame = "Rock, Paper, Scissors";
                String userThrowEng, cpuThrowEng;
                int outcome;
                int langSel = 1;
                String userInput;
                boolean keepPlaying = true;

                Scanner input = new Scanner(System.in);
                Random generator = new Random();
                LanguageHandler language = new LanguageHandler();

                System.out.println("Select Language");
                System.out.println();
                System.out.println("(1) US\n(2) UK");
                System.out.println();
                System.out.print(">");

                langSel = input.nextInt();

                if (langSel == 2) {
                    nameOfGame=language.getNameOfGame();
                }

                System.out.println("Welcome to " + nameOfGame + "!");
            }
        }
    }

public class LanguageHandler {

     String  nameOfGame = "Paper, Scissors, Stone";
     String rockName = "Stone";
    public String getNameOfGame() {
        return nameOfGame;
    }
    public void setNameOfGame(String nameOfGame) {
        this.nameOfGame = nameOfGame;
    }
    public String getRockName() {
        return rockName;
    }
    public void setRockName(String rockName) {
        this.rockName = rockName;
    }


}

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