Java Collections emptyListIterator() Method

The emptyListIterator() method of Java Collections class is used to get a List Iterator that has no elements.

Syntax

Following is the declaration of emptyListIterator() method:

Parameter

This method does not accept any parameter.

Returns

The emptyListIterator() method returns the list Iterator that has no elements..

Exceptions

NoSuchElementException

Compatibility Version

Java 1.7 and above

Example 1

import java.util.*;
public class CollectionsEmptyListIteratorExample1 {
	public static void main(String[] args) {
		ListIterator<String> Itr = Collections.emptyListIterator();
            System.out.println("Output: "+Itr.hasNext());        	 
	      }
}

Test it Now

Output:

Output: false

Example 2

import java.util.*;
public class CollectionsEmptyListIteratorExample2 {
	public static void main(String[] args) {		
		List<Integer> ls = new ArrayList<Integer>();
            ls.add(1);
           ls.add(2);
           ListIterator<String> Itr = Collections.emptyListIterator();            
           System.out.println(Itr.next());         
	     }	  
}

Test it Now

Output:

Exception in thread "main" java.util.NoSuchElementException
	at java.base/java.util.Collections$EmptyIterator.next(Collections.java:4190)
	at myPackage.CollectionsEmptyListIteratorExample2.main(CollectionsEmptyListIteratorExample2.java:10)

Example 3

import java.util.*;
public class CollectionsEmptyListIteratorExample3 {
	public static void main(String[] args) {		
		List<Integer> ls = new ArrayList<Integer>();
            ls.add(1);
            ls.add(2);
            ListIterator<String> Itr = Collections.emptyListIterator();            
            System.out.println(Itr.nextIndex());         
            System.out.println(Itr.previousIndex());
            System.out.println("nextIndex() and previousIndex() always returns 0 and -1.");
	      }	  
}

Test it Now

Output:

0
-1
nextIndex() and previousIndex() always returns 0 and -1.

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Java Collections emptyListIterator() Method

Syntax

Parameter

Returns

Exceptions

Compatibility Version

Example 1

Example 2

Example 3