TeSP JAVA

import java.util.Scanner;

public class ReverseEcho {

    private String frase;
    private String fraseInvertida;

    public void lerFrase() {
        Scanner sc = new Scanner(System.in);
        frase = sc.nextLine();
    }

    public void inverterFrase() {
        fraseInvertida = new String();
        for (int i = frase.length(); i > 0; i--) {
            fraseInvertida = fraseInvertida + frase.charAt(i-1);
        }
    }

    public void escreveFrase() {
        System.out.println(fraseInvertida);
    }

    public static void main(String[] args) {
       ReverseEcho re = new ReverseEcho();
       re.lerFrase();
       re.inverterFrase();
       re.escreveFrase();
    }
}