The spliterator() method of CopyOnWriteArraySet returns an spliterator over the elements in this Set in proper sequence. There is no need of synchronization while operating on the spliterator.
Syntax:
public Spliterator spliterator()
Return Value: The function returns an spliterator over the elements in the Set.
Below programs illustrate the above function:
Program 1:
// Java Program to illustrate the CopyOnWriteArraySet // spliterator() method in Java import java.util.concurrent.CopyOnWriteArraySet;
import java.util.*;
public class GFG {
public static void main(String[] args)
{
// create object of CopyOnWriteArraySet
CopyOnWriteArraySet<Integer> ArrSet
= new CopyOnWriteArraySet<Integer>();
// Add elements
ArrSet.add( 32 );
ArrSet.add( 67 );
ArrSet.add( 67 );
ArrSet.add( 100 );
// print CopyOnWriteArraySet
System.out.println( "CopyOnWriteArraySet: "
+ ArrSet);
Spliterator<Integer>
numbers = ArrSet.spliterator();
// print result from Spliterator
System.out.println( "Set of Numbers:" );
// forEachRemaining method of Spliterator
numbers
.forEachRemaining(
(n) -> System.out.println(n));
}
} |
Output:
CopyOnWriteArraySet: [32, 67, 100] Set of Numbers: 32 67 100
Program 2:
// Java Program to illustrate the CopyOnWriteArraySet // spliterator() method in Java import java.util.concurrent.CopyOnWriteArraySet;
import java.util.*;
public class GFG {
public static void main(String[] args)
{
// create object of CopyOnWriteArraySet
CopyOnWriteArraySet<String> ArrSet
= new CopyOnWriteArraySet<String>();
// Add elements
ArrSet.add( "gopal" );
ArrSet.add( "gfg" );
ArrSet.add( "jgec" );
ArrSet.add( "sudo" );
// print CopyOnWriteArraySet
System.out.println( "CopyOnWriteArraySet: "
+ ArrSet);
Spliterator<String>
numbers = ArrSet.spliterator();
// print result from Spliterator
System.out.println( "Set of strings:" );
// forEachRemaining method of Spliterator
numbers
.forEachRemaining(
(n) -> System.out.println(n));
}
} |
Output:
CopyOnWriteArraySet: [gopal, gfg, jgec, sudo] Set of strings: gopal gfg jgec sudo
Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CopyOnWriteArraySet.html#spliterator–