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

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Java ListIterator Class

Java ListIterator previous() Method

Syntax

Parameters

Return

Throws:

Example 1

Example 2

Example 3

Feedback

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Learn Latest Tutorials

Preparation

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