Java - Leer dos frases: frase1 y frase2. Imprimir por pantalla iniciando desde la última hacia la primera l

public static void main(String[] args) {

	// TODO Auto-generated method stub

	Scanner s = new Scanner(System.in);

	System.out.println("combina palabras");

	System.out.println("ingresa la primera palabra");

	String palabra = s.nextLine();

	System.out.println("ingrese la Segunda palabra");

	int palabra1 = palabra.length();

	int hl = palabra.length();

	Object jk = palabra1.length();

	if(hl<jk) {

		do {

			h=palabra1.charAt(jk-1);

			if(hl l=0) {

				g = palabra.charAt(hl-1);

				hl=hl-1;

				System.out.println(g);

			}

			System.out.println(h);

		}

		hl - hl-1;

	}

	while(hl !=0) {

	}

}

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner entrada = new Scanner(System.in);

        System.out.println("ingresar primera frase");

        String cadena1 = entrada.nextLine();

        System.out.println("ingresar primera frase");

        String cadena2 = entrada.nextLine();

        Datos cargar = new Datos(cadena1,cadena2);

        StringBuilder builder=new StringBuilder(cargar.intercalada());

        String CadenaInvertida=builder.reverse().toString();

        System.out.println("Resultado:"+CadenaInvertida);

    }

}

package proyectodiego;

public class Datos {

    private String cadena1;

    private String cadena2;

    private String cadena12;

    private String intercalada;

    public Datos(String cadena1, String cadena2) {

        this.cadena1 = cadena1;

        this.cadena2 = cadena2;

        cadena12 = "";

        intercalada = "";

    }

    public String concatenar() {

        cadena12 = cadena1 + cadena2;

        return cadena12;

    }

    public String intercalada() {

        int mayor;

        int limite = (cadena1.length() < cadena2.length()) ? cadena1.length() : cadena2.length();

        if (limite < cadena1.length()) {

            mayor = 1;

        } else {

            mayor = 2;

        }

        for (int i = 0; i < limite; i++) {

            intercalada += (cadena1.charAt(i) + "" + cadena2.charAt(i));

        }

        switch (mayor) {

            case 1:

                intercalada += cadena1.substring(limite, cadena1.length());

                break;

            case 2:

                intercalada += cadena2.substring(limite, cadena2.length());

        }

        return intercalada;

    }

    public String getCadena1() {

        return cadena1;

    }

    public void setCadena1(String cadena1) {

        this.cadena1 = cadena1;

    }

    public String getCadena2() {

        return cadena2;

    }

    public void setCadena2(String cadena2) {

        this.cadena2 = cadena2;

    }

}