Java-Quelltext

import java.util.Arrays;
import java.util.Random;

public class test {
	public static void main(String[] argsv){
		
	int mine_counts=6;
	int rows=8;
	int columns=8;
		
        Random rand = new Random();
        int[] mine_nr = new int[mine_counts];
        Arrays.fill(mine_nr, -1);
        
        for (int i=0; i<mine_counts; i++){
        	mine_nr[i]=rand.nextInt(rows*columns);
		if ((Arrays.binarySearch(mine_nr, mine_nr[i]))<0){		
			System.out.println("\n" + mine_nr[i] + " noch nicht enthalten");
		}
		else{
			//i--;
			System.out.println("\n" + mine_nr[i] + " schon enthalten");
       		}
		for (int t=0; t<mine_nr.length; t++)
        		System.out.println("r=" + mine_nr[t]);
        }
        Arrays.sort(mine_nr);
        
        System.out.print("\n ");
	for (int t=0; t<mine_nr.length; t++)
    		System.out.print(mine_nr[t] + " ");
	}
}