Printing reverse of any String without using any predefined function?

Question

How to print the reverse of the String java is object orientated language without using any predefined function like reverse()?

Answer 1

import java.util.*;
public class Restring {

public static void main(String[] args) {
  String input,output;
  Scanner kbd=new Scanner(System.in);
  System.out.println("Please Enter a String");
  input=kbd.nextLine();
  int n=input.length();

  char tmp[]=new char[n];
  char nxt[]=new char[n];

  tmp=input.toCharArray();
  int m=0;
  for(int i=n-1;i>=0;i--)
  {
      nxt[m]=tmp[i];
      m++;
  }

  System.out.print("Reversed String is   ");
  for(int i=0;i