Reverse a string using java existing api is really very easy. Below example will show you how to reverse the string using StringBuilder class.
package com.javadevelopersguide.www;
/**
* This example will help you to reverse a string using StringBuilder.
*
* @author manojkumar.bardhan
*
*/
public class ReverseString {
/**
* @param args
*/
public static void main(String[] args) {
String inputString = "javadevelopersguide";
System.out.println("Before Reverse::" + inputString);
//You can do this using StringBuffer also, based on your requirement. If you really worried about thread saftey
StringBuilder builder = new StringBuilder(inputString).reverse();
// After Reverse using StringBuilder
inputString = builder.toString();
System.out.println("After Reverse:: " + inputString);
}
}
Output :-
Before Reverse::javadevelopersguide
After Reverse:: ediugsrepolevedavaj
Hope it will help you.
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