docs: add mammadyahyayev as a contributor for doc (#3102)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

component/pom.xml

@@ -1,65 +1,15 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-
-    This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
-
-    The MIT License
-    Copyright © 2014-2022 Ilkka Seppälä
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in
-    all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-    THE SOFTWARE.
-
--->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <parent>
-        <artifactId>java-design-patterns</artifactId>
-        <groupId>com.iluwatar</groupId>
-        <version>1.26.0-SNAPSHOT</version>
-    </parent>
-    <modelVersion>4.0.0</modelVersion>
-
-    <artifactId>component</artifactId>
-    <dependencies>
-        <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter-api</artifactId>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-assembly-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <configuration>
-                            <archive>
-                                <manifest>
-                                    <mainClass>com.iluwatar.component.App</mainClass>
-                                </manifest>
-                            </archive>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
-</project>
+<dependencies>
+    <!-- JUnit 5 Dependency -->
+    <dependency>
+        <groupId>org.junit.jupiter</groupId>
+        <artifactId>junit-jupiter-api</artifactId>
+        <version>5.8.2</version>
+        <scope>test</scope>
+    </dependency>
+    <dependency>
+        <groupId>org.junit.jupiter</groupId>
+        <artifactId>junit-jupiter-engine</artifactId>
+        <version>5.8.2</version>
+        <scope>test</scope>
+    </dependency>
+</dependencies>

component/src/main/java/com/iluwatar/component/FirstTask.java

@@ -0,0 +1,36 @@
+package com.iluwatar.component;
+public class FirstTask implements Task {
+  private String title;
+
+  public FirstTask(String title) {
+    this.title = title;
+  }
+
+  @Override
+  public String getTitle() {
+    return title;
+  }
+
+  @Override
+  public void setTitle(String title) {
+    this.title = title;
+  }
+
+  @Override
+  public void addTask(Task task) {
+    // Not applicable for FirstTask, as it's a leaf node.
+  }
+
+  @Override
+  public void removeTask(Task task) {
+    // Not applicable for FirstTask, as it's a leaf node.
+  }
+
+  @Override
+  public void display() {
+    System.out.println("FirstTask: " + title);
+  }
+}
+
+
+

component/src/main/java/com/iluwatar/component/Task.java

@@ -0,0 +1,10 @@
+package com.iluwatar.component;
+
+public interface Task {
+  String getTitle();
+  void setTitle(String title);
+  void addTask(Task task);
+  void removeTask(Task task);
+  void display();
+}
+

component/src/main/java/com/iluwatar/component/TaskFactory.java

@@ -0,0 +1,14 @@
+package com.iluwatar.component;
+
+public class TaskFactory {
+
+  // Creates and returns a simple task
+  public static Task createFirstTask(String title) {
+    return new FirstTask(title);
+  }
+
+  // Creates and returns a task list
+  public static TaskList createTaskList(String title) {
+    return new TaskList(title);
+  }
+}

component/src/main/java/com/iluwatar/component/TaskList.java

@@ -0,0 +1,46 @@
+package com.iluwatar.component;
+import java.util.ArrayList;
+import java.util.List;
+
+public class TaskList implements Task {
+  private String title;
+  private final List<Task> tasks;
+
+  public TaskList(String title) {
+    this.title = title;
+    this.tasks = new ArrayList<>();
+  }
+
+  @Override
+  public String getTitle() {
+    return title;
+  }
+
+  @Override
+  public void setTitle(String title) {
+    this.title = title;
+  }
+
+  @Override
+  public void addTask(Task task) {
+    tasks.add(task);
+  }
+
+  @Override
+  public void removeTask(Task task) {
+    tasks.remove(task);
+  }
+
+  @Override
+  public void display() {
+    System.out.println("Task List: " + title);
+    for (Task task : tasks) {
+      task.display();
+    }
+  }
+
+  // Getter method for testing
+  public List<Task> getTasks() {
+    return tasks;
+  }
+}

component/src/main/java/com/iluwatar/component/TaskManager.java

@@ -0,0 +1,36 @@
+package com.iluwatar.component;
+
+public class TaskManager {
+
+  // Method to create a task
+  public Task createTask(String title) {
+    return TaskFactory.createFirstTask(title);
+  }
+
+  // Method to create a task list
+  public TaskList createTaskList(String title) {
+    return TaskFactory.createTaskList(title);
+  }
+
+  // Method to add a task to a task list
+  public void addTaskToList(TaskList taskList, Task task) {
+    taskList.addTask(task);
+  }
+
+  // Method to remove a task from a task list
+  public void removeTaskFromList(TaskList taskList, Task task) {
+    taskList.removeTask(task);
+  }
+
+  // Method to display a single task
+  public void displayTask(Task task) {
+    task.display();
+  }
+
+  // Method to display a task list and its tasks
+  public void displayTaskList(TaskList taskList) {
+    taskList.display();
+  }
+}
+
+

component/src/main/java/com/iluwatar/component/TaskManagerMain.java

@@ -0,0 +1,34 @@
+package com.iluwatar.component;
+public class TaskManagerMain {
+  public static void main(String[] args) {
+    // Create an instance of TaskManager
+    TaskManager taskManager = new TaskManager();
+
+    // Create two simple tasks
+    Task task1 = taskManager.createTask("Study for the quiz");
+    Task task2 = taskManager.createTask("Complete homework");
+
+    // Create a task list to hold the tasks
+    TaskList taskList = taskManager.createTaskList("My Project Tasks");
+
+    // Add tasks to the task list
+    taskManager.addTaskToList(taskList, task1);
+    taskManager.addTaskToList(taskList, task2);
+
+    // Display individual tasks
+    System.out.println("Displaying Task 1:");
+    taskManager.displayTask(task1);
+
+    System.out.println("\nDisplaying Task 2:");
+    taskManager.displayTask(task2);
+
+    // Display the task list
+    System.out.println("\nDisplaying Task List:");
+    taskManager.displayTaskList(taskList);
+  }
+}
+
+
+
+
+

component/src/test/java/com/iluwatar/component/TaskListTest.java

@@ -0,0 +1,66 @@
+package com.iluwatar.component;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+
+public class TaskListTest
+{
+
+  @Test
+  public void testCreateFirstTask()
+  {
+    // Test creating the first task
+    Task task = new FirstTask("Study for the exam");
+    assertNotNull(task, "Task should not be exit");
+    assertEquals("Study for the exam", task.getTitle(), "Task title should match");
+  }
+
+  @Test
+  public void testSetTaskTitle()
+  {
+    // Test updating the title for the implemented task
+    Task task = new FirstTask("Old Title");
+    task.setTitle("New Title");
+    assertEquals("New Title", task.getTitle(), "Task title should update correctly");
+  }
+
+  @Test
+  public void testAddTaskToTaskList()
+  {
+    // Test adding tasks to a task list
+    TaskList taskList = new TaskList("My Task List");
+    Task task = new FirstTask("Complete homework");
+    taskList.addTask(task);
+
+    assertEquals(1, taskList.getTasks().size(), "Task list should contain one task");
+    assertEquals("Complete homework", taskList.getTasks().get(0).getTitle(), "Task title should match");
+  }
+
+  @Test
+  public void testRemoveTaskFromTaskList()
+  {
+    // Test removing a task from a task list
+    TaskList taskList = new TaskList("My Task List");
+    Task task = new FirstTask("Complete homework");
+    taskList.addTask(task);
+    taskList.removeTask(task);
+
+    assertEquals(0, taskList.getTasks().size(), "Task list should be empty after removing the task");
+  }
+
+  @Test
+  public void testDisplayTaskList()
+  {
+    // Test displaying the task list and tasks
+    TaskList taskList = new TaskList("My Task List");
+    Task task1 = new FirstTask("Complete Task");
+    Task task2 = new FirstTask("Study for the quiz");
+
+    taskList.addTask(task1);
+    taskList.addTask(task2);
+
+    // Test that the tasks are displayed (this doesn't assert, just for practice)
+    System.out.println("Testing display:");
+    taskList.display();
+  }
+}