View Code of Problem 52

import java.util.*;
class Main{
  public static void main(String[] args){
      Scanner sc=new Scanner(System.in);
      String str=sc.nextLine();
      StringBulider sb=new StringBulider(str);
      String reverse=sb.reverse().toString();
      System.out.println(reverse);
      
  }
}
/*
Main.java:6: error: cannot find symbol
      StringBulider sb=new StringBulider(str);
      ^
  symbol:   class StringBulider
  location: class Main
Main.java:6: error: cannot find symbol
      StringBulider sb=new StringBulider(str);
                           ^
  symbol:   class StringBulider
  location: class Main
2 errors
*/