Java Collections emptyListIterator() Method with Examples

by Online Tutorials Library July 22, 2022

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 Itr = Collections.emptyListIterator();              System.out.println(“Output: “+Itr.hasNext());                 }  }  

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Output:

Output: false

Example 2

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

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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 ls = new ArrayList();              ls.add(1);              ls.add(2);              ListIterator Itr = Collections.emptyListIterator();                          System.out.println(Itr.nextIndex());                       System.out.println(Itr.previousIndex());              System.out.println(“nextIndex() and previousIndex() always returns 0 and -1.”);        }    }  

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Output:

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

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Java Collections emptyListIterator() Method with Examples

Java Collections emptyListIterator() Method

Syntax

Parameter

Returns

Exceptions

Compatibility Version

Example 1

Example 2

Example 3

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