ConcurrentSkipListSet iterator() method in Java
Last Updated :
17 Sep, 2018
The iterator() method of java.util.concurrent.ConcurrentSkipListSet is an in-built function in Java which is used to return an iterator over the elements in this set in ascending order.
Syntax:
ConcurrentSkipListSet.iterator()
Return Value: The function returns an iterator over the elements in this set in ascending order.
Below programs illustrate the use of java.util.concurrent.ConcurrentSkipListSet.iterator() :
Program 1:
import java.util.Iterator;
import java.util.concurrent.ConcurrentSkipListSet;
class ConcurrentSkipListSetIteratorExample1 {
public static void main(String[] args)
{
ConcurrentSkipListSet<String>
set = new ConcurrentSkipListSet<String>();
set.add( "Gfg" );
set.add( "is" );
set.add( "fun!!" );
Iterator<String> iterator = set.iterator();
while (iterator.hasNext())
System.out.print(iterator.next() + " " );
}
}
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Program 2:
import java.util.Iterator;
import java.util.concurrent.ConcurrentSkipListSet;
class ConcurrentSkipListSetIteratorExample2 {
public static void main(String[] args)
{
ConcurrentSkipListSet<Integer>
set = new ConcurrentSkipListSet<Integer>();
set.add( 10 );
set.add( 15 );
set.add( 20 );
set.add( 25 );
Iterator<Integer> iterator = set.iterator();
while (iterator.hasNext())
System.out.print(iterator.next() + " " );
}
}
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Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentSkipListSet.html#iterator–
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