PriorityBlockingQueue remainingCapacity() method in Java

// Java Program Demonstrate remainingCapacity()
// method of PriorityBlockingQueue

import java.util.concurrent.PriorityBlockingQueue;

public class GFG {
    public static void main(String[] args)
    {
        // define capacity of PriorityBlockingQueue
        int capacityOfQueue = 7;

        // create object of PriorityBlockingQueue
        PriorityBlockingQueue<Integer> pbq
            = new PriorityBlockingQueue<Integer>(capacityOfQueue);

        // Add element to PriorityBlockingQueue
        pbq.put(1);
        pbq.put(2);
        pbq.put(3);
        pbq.put(4);

        // find remaining Capacity  of pbq
        // using remainingCapacity() method

        // The initial capacity was set to 7
        // by passing as parameter in constructor
        // But this method will return Integer.MAX_VALUE
        int remainingCapacity = pbq.remainingCapacity();

        // print result
        System.out.println("Queue:  " + pbq);
        System.out.println("Remaining Capacity: " + remainingCapacity);
    }
}

// Java Program Demonstrate remainingCapacity()
// method of PriorityBlockingQueue

import java.util.concurrent.PriorityBlockingQueue;

public class GFG {
    public static void main(String[] args)
    {

        // create object of PriorityBlockingQueue
        PriorityBlockingQueue<String> pbq
            = new PriorityBlockingQueue<String>();

        // Add element to PriorityBlockingQueue
        pbq.put("Geeks");
        pbq.put("forGeeks");
        pbq.put("A Computer");
        pbq.put("Portal");

        // find remaining Capacity  of pbq
        // using remainingCapacity() method
        int remainingCapacity = pbq.remainingCapacity();

        // print result
        System.out.println("Queue:  " + pbq);
        System.out.println("Remaining Capacity: " + remainingCapacity);
    }
}