Java ListIterator previous() Method with Examples

by Online Tutorials Library July 22, 2022

Java ListIterator previous() Method

The previous() method of ListIterator interface is used to return the previous element from the list and moves the cursor in a backward position. The above method can be used to iterate the list in a backward direction.

Syntax

Parameters

Return

The above method is used to return the previous element of the given list.

Throws:

NoSuchElementException– If the given iteration has no such previous elements.

Example 1

  import java.util.ArrayList;  import java.util.ListIterator;  public class JavaListIteratorpreviousExample1{      public static void main(String[] args) {      ArrayList < Long > numbers = new ArrayList < Long > ();      numbers.add(88l);      numbers.add(67l);      numbers.add(57l);  ListIterator < Long > listIterator = numbers.listIterator();    System.out.println(“The list of alphabets is given as : “+numbers);          System.out.println(“In the forward direction : “);          while (listIterator.hasNext()) {              System.out.println(listIterator.next());          }          System.out.println(“In the backward direction:- “);          while (listIterator.hasPrevious()) {              System.out.println(listIterator.previous());          }      }  }  

Test it Now

Output:

The list of alphabets is given as : [88, 67, 57]  In the forward direction :   88  67  57  In the backward direction:-  57  67  88

Example 2

  import java.util.ArrayList;  import java.util.ListIterator;  public class JavaListIteratorpreviousExample2 {      public static void main(String[] args) {      ArrayList < String > appliances = new ArrayList < String > ();      appliances.add(“Fan”);      appliances.add(“Tubelight”);      appliances.add(“Bulb”);      appliances.add(“Television”);          ListIterator < String > listIterator = appliances.listIterator();          System.out.println(“The list of electrical appliances is given as : “+appliances);          System.out.println(“In the forward direction : “);          while (listIterator.hasNext()) {              System.out.println(listIterator.next());          }          System.out.println(“In the backward direction:- “);          while (listIterator.hasPrevious()) {              System.out.println(listIterator.previous());          }      }  }  

Test it Now

Output:

The list of electrical appliances is given as : [Fan, Tubelight, Bulb, Television]  In the forward direction :   Fan  Tubelight  Bulb  Television  In the backward direction:-   Television  Bulb  Tubelight  Fan

Example 3

  import java.util.ArrayList;  import java.util.ListIterator;  public class JavaListIteratorpreviousExample3 {      public static void main(String[] args) {      ArrayList < Character > characters = new ArrayList < Character > ();      characters.add(‘R’);      characters.add(‘E’);      characters.add(‘A’);      characters.add(‘L’);  ListIterator < Character > listIterator = characters.listIterator();    System.out.println(“The list of alphabets is given as : “+characters);          System.out.println(“In the forward direction : “);          while (listIterator.hasNext()) {              System.out.println(listIterator.next());          }          System.out.println(“In the backward direction:- “);          while (listIterator.hasPrevious()) {              System.out.println(listIterator.previous());          }      }  }  

Test it Now

Output:

The list of alphabets is given as : [R, E, A, L]  In the forward direction :   R  E  A  L  In the backward direction:-   L  A  E  R

Next TopicJava ListIterator

Java ListIterator previous() Method with Examples

Java ListIterator previous() Method

Syntax

Parameters

Return

Throws:

Example 1

Example 2

Example 3

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