reto #49-java

Roadmap/46 - X VS BLUESKY/java/JohnAlexGuerrero.java

@@ -0,0 +1,113 @@
+package org.example;
+
+import java.util.HashSet;
+import java.util.Objects;
+
+// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
+// then press Enter. You can now see whitespace characters in your code.
+public class Main {
+    public static void main(String[] args) {
+        SocialNetwork socialnetwork = new SocialNetwork();
+
+        //- Registrar un usuario por defecto con nombre e identificador único.
+        socialnetwork.registerUser("u123", "alexander guerrero");
+        socialnetwork.registerUser("u456", "sandra estacio");
+        socialnetwork.registerUser("u467", "carolina maigual");
+        socialnetwork.registerUser("u897", "mileidy cruz");
+        socialnetwork.registerUser("u230", "daniel botina");
+        socialnetwork.registerUser("u239", "diego botina");
+        socialnetwork.registerUser("u348", "gloria maigual");
+        socialnetwork.registerUser("u438", "teresa maigual");
+        socialnetwork.registerUser("u489", "alejandra rojas");
+
+        //- Seleccionar un usuario
+        User u1 = socialnetwork.getUser("u489");
+        //- Un usuario puede seguir/dejar de seguir a otro.
+        u1.followUser("u348");
+        u1.followUser("u467");
+        u1.followUser("u897");
+
+        //- Mostrar usuarios
+        for (User user : socialnetwork.getUsers()) {
+            System.out.println(user.toString());
+        }
+    }
+}
+
+class SocialNetwork{
+    private static HashSet<User> users;
+    public SocialNetwork() {
+        users = new HashSet<>();
+    }
+    public void registerUser(String id, String name){
+        users.add(new User(id, name));
+    }
+    public User getUser(String id){
+        for(User user: users){
+            if(user.getId().equals(id)){
+                return user;
+            }
+        }
+        return null;
+    }
+    public void unfollowUser(){}
+    public HashSet<User> getUsers() {
+        return users;
+    }
+}
+
+class User{
+    private String id;
+    private String name;
+    private HashSet<String> followers;
+    private HashSet<String> following;
+    public void followUser(String followIdUser){
+        followers.add(followIdUser);
+    }
+
+    public User(String id, String name) {
+        this.id = id;
+        this.name = name;
+        this.followers = new HashSet<String>();
+        this.following = new HashSet<String>();
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public HashSet<String> getFollowers() {
+        return followers;
+    }
+
+    public HashSet<String> getFollowing() {
+        return following;
+    }
+
+    @Override
+    public String toString() {
+        return "User{" +
+                "id='" + id + '\'' +
+                ", name='" + name + '\'' +
+                ", followers=" + followers +
+                ", following=" + following +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        User user = (User) o;
+        return Objects.equals(id, user.id) && Objects.equals(name, user.name) && Objects.equals(followers, user.followers) && Objects.equals(following, user.following);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, name, followers, following);
+    }
+}

Roadmap/46 - X VS BLUESKY/java/JohnAlexGuerrero/.gitignore

@@ -0,0 +1,38 @@
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

Roadmap/46 - X VS BLUESKY/java/JohnAlexGuerrero/src/main/java/org/example/Main.java

@@ -0,0 +1,113 @@
+package org.example;
+
+import java.util.HashSet;
+import java.util.Objects;
+
+// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
+// then press Enter. You can now see whitespace characters in your code.
+public class Main {
+    public static void main(String[] args) {
+        SocialNetwork socialnetwork = new SocialNetwork();
+
+        //- Registrar un usuario por defecto con nombre e identificador único.
+        socialnetwork.registerUser("u123", "alexander guerrero");
+        socialnetwork.registerUser("u456", "sandra estacio");
+        socialnetwork.registerUser("u467", "carolina maigual");
+        socialnetwork.registerUser("u897", "mileidy cruz");
+        socialnetwork.registerUser("u230", "daniel botina");
+        socialnetwork.registerUser("u239", "diego botina");
+        socialnetwork.registerUser("u348", "gloria maigual");
+        socialnetwork.registerUser("u438", "teresa maigual");
+        socialnetwork.registerUser("u489", "alejandra rojas");
+
+        //- Seleccionar un usuario
+        User u1 = socialnetwork.getUser("u489");
+        //- Un usuario puede seguir/dejar de seguir a otro.
+        u1.followUser("u348");
+        u1.followUser("u467");
+        u1.followUser("u897");
+
+        //- Mostrar usuarios
+        for (User user : socialnetwork.getUsers()) {
+            System.out.println(user.toString());
+        }
+    }
+}
+
+class SocialNetwork{
+    private static HashSet<User> users;
+    public SocialNetwork() {
+        users = new HashSet<>();
+    }
+    public void registerUser(String id, String name){
+        users.add(new User(id, name));
+    }
+    public User getUser(String id){
+        for(User user: users){
+            if(user.getId().equals(id)){
+                return user;
+            }
+        }
+        return null;
+    }
+    public void unfollowUser(){}
+    public HashSet<User> getUsers() {
+        return users;
+    }
+}
+
+class User{
+    private String id;
+    private String name;
+    private HashSet<String> followers;
+    private HashSet<String> following;
+    public void followUser(String followIdUser){
+        followers.add(followIdUser);
+    }
+
+    public User(String id, String name) {
+        this.id = id;
+        this.name = name;
+        this.followers = new HashSet<String>();
+        this.following = new HashSet<String>();
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public HashSet<String> getFollowers() {
+        return followers;
+    }
+
+    public HashSet<String> getFollowing() {
+        return following;
+    }
+
+    @Override
+    public String toString() {
+        return "User{" +
+                "id='" + id + '\'' +
+                ", name='" + name + '\'' +
+                ", followers=" + followers +
+                ", following=" + following +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        User user = (User) o;
+        return Objects.equals(id, user.id) && Objects.equals(name, user.name) && Objects.equals(followers, user.followers) && Objects.equals(following, user.following);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, name, followers, following);
+    }
+}

Roadmap/47 - CALENDARIO DE ADVIENTO/java/JohnAlexGuerrero.java

@@ -0,0 +1,92 @@
+package org.example;
+
+import java.util.Scanner;
+
+// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
+// then press Enter. You can now see whitespace characters in your code.
+public class Main {
+        // * - El calendario mostrará los días del 1 al 24 repartidos
+        // *   en 6 columnas a modo de cuadrícula.
+        //- Cada cuadrícula correspondiente a un día tendrá un tamaño
+        // *   de 4x3 caracteres, y sus bordes serán asteríscos.
+        //* Ejemplo de cuadrículas:
+        //* **** **** ****
+        //* *01* *02* *03* ...
+        //* **** **** ****
+    static int [][] calendar = {
+            {1,2,3,4,5,6}, {7,8,9,10,11,12}, {13,14,15,16,17,18}, {19,20,21,22,23,24}
+    };
+
+    public static void showCalendar(){
+        for(int[] row: calendar){
+            System.out.println("**** **** **** **** **** **** ");
+            for(int i: row){
+                String day = (i < 10)? "0"+i : ""+i;
+                if(i == 0){
+                    day = "**";
+                }
+                System.out.printf("*"+day+"* ");
+            }
+            System.out.println();
+        }
+        System.out.println("**** **** **** **** **** **** ");
+        System.out.println();
+    }
+
+    public static boolean avalableDay(int d){
+        for (int i = 0; i < calendar.length; i++){
+            for (int j = 0; j < calendar[i].length; j++){
+                if(calendar[i][j] == d){
+                    selectDayInCalendar(i,j);
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    public static void selectDayInCalendar(int indexX, int indexY){
+        // *   cubierta de asteríscos (sin mostrar el día).
+        // * Ejemplo de selección del día 1
+        // * **** **** ****
+        // * **** *02* *03* ...
+        // * **** **** ****
+        calendar[indexX][indexY] = 0;
+    }
+
+    public static void main(String[] args) {
+        // Press Alt+Intro with your caret at the highlighted text to see how
+        Scanner scanner = new Scanner(System.in);
+        boolean flag = true;
+
+        while(flag){
+            showCalendar();
+            //* - El usuario seleccioná qué día quiere descubrir.
+            System.out.println("select one day or exit: ");
+            String selectDay = scanner.nextLine();
+
+            if(selectDay.equals("exit")){
+                flag = false;
+            }
+
+            try{
+                int selectedDay = Integer.parseInt(selectDay);
+
+                //Si está sin descubrir, se le dirá que ha abierto ese día
+                if(avalableDay(selectedDay)){
+                    System.out.println("This day is avalable.");
+                }else{
+                    //* - Si se selecciona un número ya descubierto, se le notifica
+                    // *   al usuario.
+                    System.out.println("Day is not avalable.");
+                }
+
+            }catch(NumberFormatException ex){
+                System.out.println("select on number.");
+            }
+        }
+
+        // *   y se mostrará de nuevo el calendario con esa cuadrícula
+
+    }
+}