How to access an array from another class

Blnpwr Published at Dev

Blnpwr

I want to operate on the array called "players" that is declared in the main method. I want to use "players" in my class called "Glucksspielthread" I know that I can't access "players" because it is declared in the main method and is not visible for other classes.

How can I solve this problem? Here is my code:

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class Glucksspieltest {
    public static void main(String[] args) {
        int numPlayers = Integer.parseInt(args[0]);
        int threadSize = Integer.parseInt(args[1]);

        ExecutorService es = Executors.newFixedThreadPool(threadSize);
        Glucksspielthread[] players = new Glucksspielthread[numPlayers];
        for (int i = 0; i < numPlayers; i++) {
            players[i] = new Glucksspielthread(i);
            es.execute(players[i]);
        }
    }
}

class Thinker {
    public static void think(int Millisekunden) {
        try {
            Thread.sleep(Millisekunden);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    public static void randomThink(int minMillisekunden, int      maxMillisekunden) {
        System.out.println("test");
    }
}

class Glucksspielthread implements Runnable {
    public int playerNumber;

    Glucksspielthread(int number) {
            playerNumber = number;
    }

    @Override
    public void run() {
        for (int i = 0; i <= playerNumber; i++) {
            // here, I want to operate on array called "players" that is   declared in the main method  
        }
    }
}

dumitru

Just for your test purpose make your players variable static and public in the Glucksspieltest class, like this:

public class Glucksspieltest {

public static Glucksspielthread[] players;

Then acces it in the Glucksspielthread class like this:

for (int i = 0; i <= playerNumber; i++) {
        // here, I want to operate on array called "players" that is   declared in the main method
        Glucksspieltest.players
    }

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