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kontroldevkontroldev
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Merge pull request mouredev#7168 from Josegs95/main
#28 y #29 - Java
2 parents 48a73df + 938fdc4 commit 30984fe

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‎Roadmap/28 - SOLID LSP/java/Josegs95.java

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import java.util.Random;
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public class Josegs95 {
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public static void main(String[] args) {
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//Ejercicio
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//Forma incorrecta
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WrongAnimal animal1 = new WrongAnimal();
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WrongAnimal snake1 = new WrongSnake();
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WrongAnimal tiger1 = new WrongTiger();
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animal1.putEggs();
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snake1.putEggs();
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tiger1.putEggs();
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//Forma correcta
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OviparousAnimal animal2 = new OviparousAnimal();
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OviparousAnimal snake2 = new Snake();
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MammalAnimal animal3 = new MammalAnimal();
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MammalAnimal tiger2 = new Tiger();
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animal2.putEggs();
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snake2.putEggs();
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animal3.breastfeed();
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tiger2.breastfeed();
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//Reto
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new Josegs95().retoFinal();
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}
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public void retoFinal(){
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Random rnd = new Random();
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Vehicle vehicle1 = new Car(50);
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Vehicle vehicle2 = new Train(100);
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Vehicle vehicle3 = new Plane(150);
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Vehicle[] vehicles = {vehicle1, vehicle2, vehicle3};
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for (int i = 0; i < 50; i++){
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if (rnd.nextBoolean())
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vehicles[rnd.nextInt(vehicles.length)].accelerate();
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else
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vehicles[rnd.nextInt(vehicles.length)].brake();
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}
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}
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//Clases incorrectas
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public static class WrongAnimal{
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public void putEggs(){
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System.out.println("El animal pone huevos");
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}
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}
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public static class WrongSnake extends WrongAnimal{
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@Override
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public void putEggs() {
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System.out.println("La serpiente pone huevos");
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}
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}
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public static class WrongTiger extends WrongAnimal{
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@Override
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public void putEggs() {
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//throw new UnsupportedOperationException("Los tigres no ponen huevos");
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}
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}
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//Clases correctas
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public static class Animal{}
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public static class OviparousAnimal extends Animal{
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public void putEggs() {
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System.out.println("El animal ovíparo pone huevos");
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}
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}
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public static class MammalAnimal extends Animal{
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public void breastfeed() {
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System.out.println("El animal mamífero da de mamar");
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}
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}
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public static class Snake extends OviparousAnimal{
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@Override
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public void putEggs() {
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System.out.println("La serpiente pone huevos");
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}
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}
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public static class Tiger extends MammalAnimal{
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@Override
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public void breastfeed() {
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System.out.println("El tigre da de mamar");
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}
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}
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//Reto
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public class Vehicle{
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private double speed;
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public Vehicle(double speed){
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this.speed = speed;
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}
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public void accelerate(){
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++speed;
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}
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public void brake(){
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if (speed > 0)
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--speed;
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}
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public double getSpeed() {
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return speed;
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}
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}
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public class Car extends Vehicle{
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public Car(double speed) {
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super(speed);
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}
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@Override
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public void accelerate() {
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super.accelerate();
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System.out.println("El coche acelera y su velocidad es de " + super.getSpeed() + "Km/h");
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}
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@Override
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public void brake() {
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super.brake();
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System.out.println("El coche frena y su velocidad es de " + super.getSpeed() + "Km/h");
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}
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}
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public class Train extends Vehicle{
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public Train(double speed) {
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super(speed);
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}
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@Override
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public void accelerate() {
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super.accelerate();
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System.out.println("El tren acelera y su velocidad es de " + super.getSpeed() + "Km/h");
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}
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@Override
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public void brake() {
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super.brake();
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System.out.println("El tren frena y su velocidad es de " + super.getSpeed() + "Km/h");
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}
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}
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public class Plane extends Vehicle{
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public Plane(double speed) {
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super(speed);
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}
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@Override
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public void accelerate() {
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super.accelerate();
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System.out.println("El avión acelera y su velocidad es de " + super.getSpeed() + "Km/h");
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}
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@Override
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public void brake() {
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super.brake();
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System.out.println("El avión frena y su velocidad es de " + super.getSpeed() + "Km/h");
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}
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}
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}

‎Roadmap/29 - SOLID ISP/java/Josegs95.java

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public class Josegs95 {
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public static void main(String[] args) {
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//Ejercicio
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//Forma incorrecta
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WrongPigeon pidgeon1 = new WrongPigeon();
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WrongHuman human1 = new WrongHuman();
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pidgeon1.walk();
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pidgeon1.fly();
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human1.walk();
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human1.fly();
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//Forma correcta
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Pigeon pigeon2 = new Pigeon();
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Human human2 = new Human();
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pigeon2.fly();
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pigeon2.walk();
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human2.walk();
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//Reto
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new Josegs95().retoFinal();
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}
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public void retoFinal(){
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OldPrinter printer1 = new OldPrinter();
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MediumPrinter printer2 = new MediumPrinter();
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ModernPrinter printer3 = new ModernPrinter();
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printer1.print("Texto ejemplo");
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printer2.print("Texto ejemplo");
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printer3.print("Texto ejemplo");
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System.out.println(printer3.scan());
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printer3.fax("Texto por fax");
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}
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//Forma incorrecta
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public interface WrongAnimal{
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public void walk();
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public void fly();
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}
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public static class WrongPigeon implements WrongAnimal{
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@Override
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public void walk() {
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System.out.println("La paloma camina...");
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}
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@Override
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public void fly() {
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System.out.println("La paloma vuela...");
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}
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}
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public static class WrongHuman implements WrongAnimal{
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@Override
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public void walk() {
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System.out.println("El humano camina...");
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}
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@Override
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public void fly() {} //Los humanos no vuelan
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}
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//Forma correcta
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public interface WalkableAnimal{
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public void walk();
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}
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public interface FlyingAnimal {
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public void fly();
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}
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public static class Pigeon implements WalkableAnimal, FlyingAnimal {
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@Override
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public void walk() {
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System.out.println("La paloma camina...");
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}
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@Override
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public void fly() {
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System.out.println("La paloma vuela...");
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}
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}
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public static class Human implements WalkableAnimal{
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@Override
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public void walk() {
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System.out.println("El humano camina...");
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}
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}
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//Reto
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public abstract class Printer{
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public void print(String text){
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System.out.println(text);
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}
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}
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public interface BWPrinter{
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public void printBW(String text);
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}
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public interface ColorPrinter{
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public void printColor(String text);
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}
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public interface MultiFunctionPrinter{
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public String scan();
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public void fax(String text);
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}
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public class OldPrinter extends Printer implements BWPrinter{
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@Override
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public void printBW(String text) {
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super.print("\"" + text + "\" en blanco y negro");
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}
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@Override
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public void print(String text) {
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printBW(text);
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}
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}
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public class MediumPrinter extends Printer implements ColorPrinter{
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@Override
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public void printColor(String text) {
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super.print("\"" + text + "\" a color");
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}
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@Override
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public void print(String text) {
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printColor(text);
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}
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}
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public class ModernPrinter extends Printer implements ColorPrinter, MultiFunctionPrinter{
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@Override
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public void printColor(String text) {
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super.print("\"" + text + "\" a color");
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}
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@Override
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public String scan() {
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return "Texto escaneado";
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}
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@Override
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public void fax(String text) {
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System.out.println("Texto enviado por fax con éxito");
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}
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@Override
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public void print(String text) {
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printColor(text);
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}
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}
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}

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