import java.util.HashSet;
import java.util.ArrayList;
import java.util.Random;
 
class MakeRandomArray {
    public ArrayList<Integer> makeRandomArray(ArrayList<Integer> array, Random rand, int arraySize, int randMax, int randMin){
	 	HashSet<Integer> set = new HashSet<>(arraySize);
        while(set.size() != arraySize){
            set.add(random(rand, randMax, randMin));
        }
        array.addAll(set);
        return array;
    }
    private int random(Random rand, int max,int min){
        if(max < min) return rand.nextInt(min - max) + max;
        else return rand.nextInt(max - min) + min;
    }
}
 
class Ideone{
    public static void main(String[] args){
        MakeRandomArray mkRandArr = new MakeRandomArray();
        ArrayList<Integer> arr = mkRandArr.makeRandomArray(new ArrayList<Integer>(), new Random(), 10, 100, 1);
        for(int x = 0; x <= 9; x++) System.out.println(arr.get(x));
 
    }
}

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