PriorityQueue add() Method in Java
The Java.util.PriorityQueue.add() method in Java is used to add a specific element into a PriorityQueue. This method internally just calls the Java.util.PriorityQueue.offer() method with the value passed to it. So, it exactly works like offer() method.
Syntax:
Priority_Queue.add(Object element)
Parameters: The parameter element is of the type PriorityQueue and refers to the element to be added to the Queue.
Return Value: The function returns True if the element is successfully added to the PriorityQueue .
Below programs illustrate the Java.util.PriorityQueue.add() method:
Program 1: Adding String elements into the Queue.
import java.util.PriorityQueue;
public class PriorityQueueDemo {
public static void main(String args[])
{
PriorityQueue<String> queue = new PriorityQueue<String>();
queue.add( "Welcome" );
queue.add( "To" );
queue.add( "Geeks" );
queue.add( "4" );
queue.add( "Geeks" );
System.out.println( "PriorityQueue: " + queue);
}
}
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Output:
PriorityQueue: [4, Geeks, To, Welcome, Geeks]
Program 2: Adding Integer elements into the Queue.
import java.util.*;
public class PriorityQueueDemo {
public static void main(String args[])
{
PriorityQueue<Integer> queue = new PriorityQueue<Integer>();
queue.add( 10 );
queue.add( 15 );
queue.add( 30 );
queue.add( 20 );
queue.add( 5 );
System.out.println( "PriorityQueue: " + queue);
}
}
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Output:
PriorityQueue: [5, 10, 30, 20, 15]
Last Updated :
09 Aug, 2019
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