Java Vector listIterator() Method

The listIterator() Java Vector class method returns a list iterator over the elements in the given list in a proper sequence. There is two different types of Java listIterator() method which can be differentiated depending on its parameter. These are:

Java Vector listIterator() Method
Java Vector listIterator(int index) Method

listIterator() Method:

This method is used to get a list iterator over the elements in the given list in a proper sequence.

listIterator(int index) Method:

This method is used to get a list iterator over the elements in the given list in a proper sequence. The returned list starts at the specified position in the list. The specified index indicates the first element that would be returned by an initial call to next.

Syntax

Following is the declaration of listIterator() method:

  public ListIterator<E> listIterator()  public ListIterator<E> listIterator(int index)  

Parameter

DataType	Parameter	Description	Required/Optional
int	index	It is an index of the first element to be returned from the list iterator.	Required

Return

The listIterator() method returns a list iterator over the elements in this list in a proper sequence.

Exceptions

IndexOutOfBoundsException– This method has thrown an exception if the index is out of range i.e. (index < 0 || index > size()).

Compatibility Version

Java 1.2 and above

Example 1

  import java.util.*;  public class VectorListIteratorExample1 {    public static void main(String arg[]) {    //Create an empty vector    Vector<String> vec = new Vector<>();    //Add elements to the vector          vec.addElement(“One”);          vec.addElement(“Two”);          vec.addElement(“Three”);          vec.addElement(“Four”);          vec.addElement(“Five”);          //Get ListIterator object using listIterator() method along with returned index list          ListIterator<String> li = vec.listIterator(1);            System.out.println(“Iterate elements are: “);          //Iterate elements to the vector          while(li.hasNext())          {              System.out.println(li.next());          }      }  }  

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Output:

Iterate elements are:   Two  Three  Four  Five

Example 2

  import java.util.*;  public class VectorListIteratorExample2 {    public static void main(String arg[]) {    //Create an empty vector    Vector<String> vec = new Vector<>();    //Add elements to the vector          vec.add(“Orange”);          vec.add(“Mango”);          vec.add(“Banana”);          vec.add(“Apple”);          //Get ListIterator object using listIterator() method          ListIterator<String> li = vec.listIterator();            System.out.println(“Iterate elements are: “);          //Iterate elements to the vector          while(li.hasNext())          {              System.out.println(li.next());          }      }  }  

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Output:

Iterate elements are:   Orange  Mango  Banana  Apple

Example 3

  import java.util.*;  public class VectorListIteratorExample3 {    public static void main(String arg[]) {    //Create an empty vector    Vector<Integer> vec = new Vector<>();    //Add elements to the vector          vec.add(1);          vec.add(2);          vec.add(3);          vec.add(4);          vec.add(5);          //Get ListIterator object using listIterator() method          ListIterator<Integer> li = vec.listIterator();            System.out.println(“Iterate elements are: “);          //Iterate elements to the vector          while(li.hasNext())          {              System.out.println(li.next());          }      }  }  

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Output:

Iterate elements are:   1  2  3  4  5

Example 4

  import java.util.*;  public class VectorListIteratorExample4 {    public static void main(String arg[]) {    //Create an empty vector    Vector<Integer> vec = new Vector<>();    //Add elements to the vector          vec.add(1);          vec.add(2);          vec.add(3);          //Get ListIterator object using listIterator() method along with returned index list          ListIterator<Integer> li = vec.listIterator(25);            System.out.println(“Iterate elements are: “);          //Iterate elements to the vector          while(li.hasNext())          {              System.out.println(li.next());          }      }  }  

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Output:

Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 25  at java.base/java.util.Vector.listIterator(Vector.java:1234)  at myPackage.VectorListIteratorExample4.main(VectorListIteratorExample4.java:12)

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Java Vector listIterator() Method with Examples

Java Vector listIterator() Method

listIterator() Method:

listIterator(int index) Method:

Syntax

Parameter

Return

Exceptions

Compatibility Version

Example 1

Example 2

Example 3

Example 4

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