Java Collections Java Java API
java.util.PriorityQueue
public int size()
Returns the number of elements in this collection.
package com.logicbig.example.priorityqueue;import java.util.PriorityQueue;public class SizeExample { public static void main(String... args) { PriorityQueue<String> pq = new PriorityQueue<>(); pq.add("one"); pq.add("two"); System.out.println(pq.size()); }}
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