package String; import java.util.Scanner; public class StringReverse { public static String reverse(String str) { StringBuilder rev = new StringBuilder(""); if(str==null)return null; for(int i=str.length()-1;i>=0;i--) { rev.append(str.charAt(i)); } return rev.toString(); } public static void main(String[] args) { Scanner sc=new Scanner(System.in); System.out.println("Enter the String : "); String s=sc.nextLine(); System.out.println("Result: " + reverse(s)); sc.close(); } }