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PriorityBlockingQueue Class in Java
The PriorityBlockingQueue Class in Java has a blocking queue that has unbounded functionality and is based on the class PriorityQueue with the same ordering rules. The PriorityBlockingQueue Class is a part of the Java Collection Framework.
A program that demonstrates this is given as follows −
Example
import java.util.concurrent.PriorityBlockingQueue;
public class Demo {
public static void main(String[] args) {
PriorityBlockingQueue<String> pbQueue = new PriorityBlockingQueue<String>();
pbQueue.add("James");
pbQueue.add("May");
pbQueue.add("John");
pbQueue.add("Sara");
pbQueue.add("Anne");
System.out.println("The elements in PriorityBlockingQueue are: " + pbQueue);
}
}The output of the above program is as follows −
Output
The elements in PriorityBlockingQueue are: [Anne, James, John, Sara, May]
Now let us understand the above program.
The PriorityBlockingQueue is created and then elements are added to it. Finally, the elements are displayed in order. A code snippet that demonstrates this is given as follows −
PriorityBlockingQueue<String> pbQueue = new PriorityBlockingQueue<String>();
pbQueue.add("James");
pbQueue.add("May");
pbQueue.add("John");
pbQueue.add("Sara");
pbQueue.add("Anne");
System.out.println("The elements in PriorityBlockingQueue are: " + pbQueue);
Updated on: 30-Jul-2019
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