PriorityBlockingQueue spliterator() method in Java
The spliterator() method of PriorityBlockingQueue returns a Spliterator of the same elements as PriorityBlockingQueue. The returned iterator is weakly consistent. It can be used with Streams in Java 8. Also it can traverse elements individually and in bulk too.Spliterator is better way to traverse over element because it provides more control on elements.
Syntax:
public Spliterator spliterator()
Returns: This method returns a Spliterator over the elements in PriorityBlockingQueue.
Below programs illustrate spliterator() method of PriorityBlockingQueue:
Example 1: Program to demonstrate spliterator() method on PriorityBlockingQueue which contains a list of numbers.
import java.util.concurrent.PriorityBlockingQueue;
import java.util.*;
public class GFG {
public static void main(String[] args)
{
int capacityOfQueue = 5 ;
PriorityBlockingQueue<Integer> PrioQueue
= new PriorityBlockingQueue<Integer>(capacityOfQueue);
PrioQueue.put( 7855642 );
PrioQueue.put( 35658786 );
PrioQueue.put( 5278367 );
PrioQueue.put( 74381793 );
PrioQueue.put( 76487590 );
PrioQueue.put( 87625142 );
Spliterator<Integer> numbers = PrioQueue.spliterator();
System.out.println( "list of Numbers:" );
numbers.forEachRemaining((n) -> System.out.println(n));
}
}
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Output:
list of Numbers:
5278367
35658786
7855642
74381793
76487590
87625142
Example 2: Program to demonstrate spliterator() method on PriorityBlockingQueue which contains a list of names.
import java.util.concurrent.PriorityBlockingQueue;
import java.util.*;
public class GFG {
public static void main(String[] args)
{
int capacityOfQueue = 5 ;
PriorityBlockingQueue<String> names
= new PriorityBlockingQueue<String>(capacityOfQueue);
names.add( "Joyita" );
names.add( "Priyanka" );
names.add( "Joydeep" );
Spliterator<String> list = names.spliterator();
System.out.println( "list of Names:" );
list.forEachRemaining((n) -> System.out.println(n));
}
}
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Output:
list of Names:
Joydeep
Priyanka
Joyita
Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/PriorityBlockingQueue.html#spliterator–
Last Updated :
26 Nov, 2018
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