#9 - Java

Author: Josegs95

Roadmap/09 - HERENCIA/java/Josegs95.java

@@ -0,0 +1,173 @@
+import java.util.ArrayList;
+import java.util.List;
+
+public class Josegs95 {
+    public static void main(String[] args) {
+        //Herencia
+        Animal animal = new Animal(null);
+        Perro dog = new Perro();
+        Gato cat = new Gato();
+
+        animal.makeSound(); //Out: null
+        dog.makeSound(); //Out: Guau
+        cat.makeSound(); //Out: Miau
+
+        //Reto
+        System.out.println("\n");
+        retoFinal();
+    }
+
+    public static class Animal{
+
+        private String sound;
+
+        public Animal(String sound){
+            this.sound = sound;
+        }
+
+        public void makeSound(){
+            System.out.println(sound);
+        }
+
+    }
+
+    public static class Perro extends Animal{
+
+        public Perro(){
+            super("Guau");
+        }
+    }
+
+    public static class Gato extends Animal{
+
+        public Gato(){
+            super("Miau");
+        }
+    }
+
+    public static void retoFinal(){
+        Manager manager = new Manager("1154257", "Jose");
+        ProyectManager pm1 = new ProyectManager("9822361", "Rocío");
+        ProyectManager pm2 = new ProyectManager("5418742", "Guillermo");
+        Programmer p1 = new Programmer("7739682", "Lucía", "Java");
+        Programmer p2 = new Programmer("3125055", "Nuria", "Python");
+        Programmer p3 = new Programmer("4060533", "Isidoro", "C#");
+
+        manager.addEmployee(pm1);
+        manager.addEmployee(pm2);
+        pm1.addEmployee(p1);
+        pm1.addEmployee(p2);
+        pm2.addEmployee(p3);
+
+        p1.addEmployee(manager);
+        p1.programme();
+
+        pm2.addEmployee(manager);
+        pm2.manageProyect();
+
+        manager.manageCompany();
+
+        System.out.print("Empleados a cargo de " + manager.getName() + ": ");
+        manager.printEmployeeList();
+        System.out.println();
+
+        System.out.print("Empleados a cargo de " + pm1.getName() + ": ");
+        pm1.printEmployeeList();
+        System.out.println();
+
+        System.out.print("Empleados a cargo de " + pm2.getName() + ": ");
+        pm2.printEmployeeList();
+        System.out.println();
+    }
+
+    public static class Employee {
+        private final String ID;
+        private String name;
+        private List<Employee> employeeList;
+
+        public Employee(String id, String name){
+            this.ID = id;
+            this.name = name;
+            employeeList = new ArrayList<>();
+        }
+
+        public void addEmployee(Employee e){
+            employeeList.add(e);
+        }
+
+        public void printEmployeeList(){
+            for (Employee e : employeeList){
+                e.printEmployeeList();
+                System.out.print(e + " ");
+            }
+        }
+
+        public String getID() {
+            return ID;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        @Override
+        public String toString() {
+            return "[" + name + ":" + ID + "]";
+        }
+    }
+
+    public static class Manager extends Employee{
+
+        public Manager(String id, String name){
+            super(id, name);
+        }
+
+        public void manageCompany(){
+            System.out.println(getName() + " is managing the company...");
+        }
+    }
+
+    public static class ProyectManager extends Employee{
+
+        public ProyectManager(String id, String name){
+            super(id, name);
+        }
+
+        public void manageProyect(){
+            System.out.println(getName() + " is managing their project...");
+        }
+
+        @Override
+        public void addEmployee(Employee e){
+            if (e instanceof Manager){
+                System.out.println("The project manager can not have a manager in their charge");
+                return;
+            }
+
+            super.addEmployee(e);
+        }
+    }
+
+    public static class Programmer extends Employee{
+
+        private String language;
+
+        public Programmer(String id, String name, String language){
+            super(id, name);
+            this.language = language;
+        }
+
+        public void programme(){
+            System.out.println(getName() + " is programming with " + language);
+        }
+
+        @Override
+        public void addEmployee(Employee e) {
+            System.out.println("The programmer can not have employees in their charge");
+        }
+    }
+}