Lengua

Clase main
package javaapplication06;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner Lee = new Scanner(System.in);
double x, y;resta r = new resta();
System.out.println ("ingresa x");
x = Lee.nextDouble ();
System.out.println ("ingresa y");
y = Lee.nextDouble ();System.out.println ("la resta es:" + r.restar(x, y));
}
}

Clase resta
package javaapplication06;
public class resta {

//metodo resta
public double restar (double x,double y){
doubleresultado;
resultado= x - y;
return resultado;
}
}

Clase main
package javaapplication07;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner Lee = new Scanner(System.in);
double x, y;
Multiplicacion M = new Multiplicacion();
System.out.println ("ingresa x");
x =Lee.nextDouble ();
System.out.println ("ingresa y");
y = Lee.nextDouble ();
System.out.println("la Multiplicacion es:" + M.Multiplicacion(x, y));
}
}

Clase multiplicacionpackage javaapplication07;
public class Multiplicacion {
//metodo Multiplicacion
public double Multiplicacion (double x,double y) {
double resultado;
resultado= x * y;return resultado;
}
}

Clase main
package javaapplication08;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner Lee = newScanner(System.in);
double x, y;
Division D = new Division();
System.out.println("ingresa x");
x = Lee.nextDouble();
System.out.println("ingresa y");
y =Lee.nextDouble();
System.out.println("la Division es:" + D.Division(x, y));
}
}


Clase divicion
package javaapplication08;
class Division {
//metodo division
public double...