package Others;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * This method produces a reversed version of a string
 *
 * @author Unknown
 */
public class ReverseString {

 /**
 * This method reverses the string str and returns it
 *
 * @param str String to be reversed
 * @return Reversed string
 */
 public static String reverse(String str) {
 if (str == null || str.isEmpty()) return str;

 char[] arr = str.toCharArray();
 for (int i = 0, j = str.length() - 1; i < j; i++, j--) {
 char temp = arr[i];
 arr[i] = arr[j];
 arr[j] = temp;
 }
 return new String(arr);
 }

 /**
 * Main Method
 *
 * @param args Command line arguments
 * @throws IOException Exception thrown because of BufferedReader
 */
 public static void main(String[] args) throws IOException {
 BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
 System.out.println("Enter the string");
 String srr = br.readLine();
 System.out.println("Reverse=" + reverse(srr));
 br.close();
 }
}