How to Reverse given String using library method in Java?

Problem Description :

Write a program in Java that prints reverse of String using library method.

Reverse of given string using library method in Java.

Reverse of String using library method

Concept :

We have to use reverse() function of StringBuffer class because reverse() function is not present in String class. So first we have to convert String to StringBuffer then only we can use reverse() function.

Java Program :

package com.javamultiplex.string; import java.util.Scanner; /** * * @author Rohit Agarwal * @Category String Questions * @Problem Reverse of String Using reverse() function * */ public class ReverseStringUsingInBuiltFunction { //Here we are using reverse() function of StringBuffer class. public static void main(String[] args) { Scanner input = null; try { input = new Scanner(System.in); System.out.println("Enter String: "); String string = input.nextLine(); //Converting String to StringBuffer StringBuffer newString = new StringBuffer(string); newString = newString.reverse(); System.out.println("Reversed String:\n" + newString); } finally { if (input != null) { input.close(); } } } }

Output :

Output - How to find reverse of the String using library function in Java?

References :

http://docs.oracle.com/javase/7/docs/api/java/lang/String.html

https://docs.oracle.com/javase/7/docs/api/java/lang/StringBuffer.html#reverse()

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Tags : String Questions in Java, Reverse, Solution in Java, StringBuffer, String, if statement.

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