How to Reverse a String in Java Word by Word

In this section, we reverse a string in Java word by word.

Example 1: Reverse a string word by word using recursion

import java.util.Scanner;
public class ReverseStringExample1 
{
public static void main(String[] args) 
{
String str;
System.out.println("Enter a string: ");
Scanner scanner = new Scanner(System.in);
str = scanner.nextLine();
scanner.close();							    //closes the input stream
String reversed = reverseString(str);
System.out.println("The reversed string is: " + reversed);
}
public static String reverseString(String s)
{
if (s.isEmpty())							//checks the string if empty
return s;
return reverseString(s.substring(1)) + s.charAt(0);                     //recursively called function
}
}

Output:

How to Reverse a String in Java Word by Word

Example 2: Reverse a string word by word by using for loop

import java.util.*;
public class ReverseStringDemo
{
public static void main(String[] arg)
{
ReverseStringDemo rs=new ReverseStringDemo();
Scanner sc=new Scanner(System.in);
System.out.print("Enter a string: ");
String  str=sc.nextLine();	
System.out.println("Reverse of a String  is : "+rs.reversestr(str)); 	      //called method
}
//reverse string method
static String reversestr(String s)
{
String r="";
for(int i=s.length();i>0;--i)		//execute until condition i>0 becomes false
{
r=r+(s.charAt(i-1)); 
}
return r;
}
}

Output:

Next TopicJava Tutorial

← prev next →

For Videos Join Our Youtube Channel: Join Now

Help Others, Please Share

Learn Latest Tutorials

PostgreSQL

Solr

MongoDB

Gimp

Verilog

Teradata

PhoneGap

Gmail

Vue.js

PLC

Illustrator

Preparation

Aptitude

Reasoning

Verbal A.

Interview

Company

Trending Technologies

AWS

Selenium

Cloud

Hadoop

ReactJS

D. Science

Angular 7

Blockchain

Git

DevOps

B.Tech / MCA

DBMS

DAA

C. Network

Compiler D.

COA

D. Math.

E. Hacking

C. Graphics

Software E.

Web Tech.

Cyber Sec.

Automata

C++

Java

.Net

Python

Programs

Control S.

Data Mining

Javatpoint Services

JavaTpoint offers too many high quality services. Mail us on hr@javatpoint.com, to get more information about given services.

Website Designing
Website Development
Java Development
PHP Development
WordPress
Graphic Designing
Logo
Digital Marketing
On Page and Off Page SEO
PPC
Content Development
Corporate Training
Classroom and Online Training
Data Entry

Training For College Campus

JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Please mail your requirement at hr@javatpoint.com.
Duration: 1 week to 2 week

^{Like/Subscribe us for latest updates or newsletter}

Java Misc