LinkedBlockingDeque spliterator() method in Java
The spliterator() method of LinkedBlockingDeque returns a Spliterator on the elements of LinkedBlockingDeque. The returned iterator is weakly consistent. Spliterator can be used with Streams in Java 8. Spliterator can traverse elements individually and in bulk too.
Syntax:
public Spliterator spliterator()
Returns: This method returns a Spliterator over the elements in LinkedBlockingDeque.
Below programs illustrate spliterator() method of LinkedBlockingDeque:
Program 1:
// Java Program to demonstrate spliterator() // method of LinkedBlockingDeque import java.util.concurrent.LinkedBlockingDeque; import java.util.*; public class GFG { public static void main(String[] args) { // create object of LinkedBlockingDeque LinkedBlockingDeque<Integer> LBD = new LinkedBlockingDeque<Integer>(); // Add elements LBD.add( 22 ); LBD.add( 34 ); LBD.add( 45 ); LBD.add( 67 ); // create Spliterator of Deque // using spliterator() method Spliterator<Integer> numbers = LBD.spliterator(); // getExactSize of Spliterator System.out.println( "Size of Spliterator : " + numbers.estimateSize()); System.out.println( "list of Numbers:" ); // forEachRemaining method of Spliterator numbers.forEachRemaining((n) -> System.out.println(n)); } } |
Output:
Size of Spliterator : 4 list of Numbers: 22 34 45 67
Program 2:
// Java Program to demonstrate spliterator() // method of LinkedBlockingDeque import java.util.concurrent.LinkedBlockingDeque; import java.util.*; public class GFG { public static void main(String[] args) { // create object of LinkedBlockingDeque LinkedBlockingDeque<String> LBD = new LinkedBlockingDeque<String>(); // Add numbers to front of LinkedBlockingDeque LBD.add( "Beginner" ); LBD.add( "forBeginner" ); LBD.add( "A" ); LBD.add( "Computer" ); LBD.add( "Portal" ); // create Spliterator of Deque // using spliterator() method Spliterator<String> numbers = LBD.spliterator(); // getExactSize of Spliterator System.out.println( "Size of Spliterator : " + numbers.estimateSize()); System.out.println( "list of Strings:" ); // forEachRemaining method of Spliterator numbers.forEachRemaining((n) -> System.out.println(n)); } } |
Output:
Size of Spliterator : 5 list of Strings: Beginner forBeginner A Computer Portal
Reference: <https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/LinkedBlockingDeque.html#spliterator–