Java Examples - String Reverse

Problem Description:

How to reverse a String?

Solution:

Following example shows how to reverse a String after taking it from command line argument .The program buffers the input String using StringBuffer(String string) method, reverse the buffer and then converts the buffer into a String with the help of toString() method.

public class StringReverseExample{
   public static void main(String[] args){
      String string="abcdef";
      String reverse = new StringBuffer(string).
      reverse().toString();
      System.out.println("\nString before reverse:
      "+string);
      System.out.println("String after reverse:
      "+reverse);
   }
}

Result:

The above code sample will produce the following result.

String before reverse:abcdef
String after reverse:fedcba