import java.util.ArrayList; import java.util.HashSet; import java.util.Set; import java.util.Random; import java.util.List; public class Demo { public static void main(String[] args) { Random randNum = new Random(); Set<Integer>s = new HashSet<Integer>(); while (s.size() < 10) { s.add(randNum.nextInt()); } System.out.println("Random numbers that aren't repeating..."); List<Integer>list = new ArrayList<Integer>(s); System.out.println(list); } }
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