import java.util.HashSet; import java.util.PriorityQueue; public class Demo { public static void main(String[] args) { HashSet<Integer>set = new HashSet<>(); set.add(100); set.add(150); set.add(250); set.add(300); set.add(250); set.add(500); set.add(600); set.add(500); set.add(900); PriorityQueue<Integer>queue = new PriorityQueue<>(set); System.out.println("Elements with no duplicates = "+queue); } }
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