Added Task List Application

Author: trishit78

Task List Application.java

@@ -0,0 +1,120 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+
+class Task {
+    private String title;
+    private String description;
+    private boolean isCompleted;
+
+    public Task(String title, String description) {
+        this.title = title;
+        this.description = description;
+        this.isCompleted = false;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public boolean isCompleted() {
+        return isCompleted;
+    }
+
+    public void markAsCompleted() {
+        isCompleted = true;
+    }
+}
+
+public class TaskListApp {
+    private static ArrayList<Task> tasks = new ArrayList<>();
+    private static Scanner scanner = new Scanner(System.in);
+
+    public static void main(String[] args) {
+        while (true) {
+            displayMenu();
+            int choice = scanner.nextInt();
+            scanner.nextLine();  // Consume newline character
+
+            switch (choice) {
+                case 1:
+                    addTask();
+                    break;
+                case 2:
+                    viewTasks();
+                    break;
+                case 3:
+                    markTaskCompleted();
+                    break;
+                case 4:
+                    deleteTask();
+                    break;
+                case 5:
+                    System.out.println("Goodbye!");
+                    System.exit(0);
+                default:
+                    System.out.println("Invalid choice. Please try again.");
+            }
+        }
+    }
+
+    private static void displayMenu() {
+        System.out.println("\nTask List Application");
+        System.out.println("1. Add a new task");
+        System.out.println("2. View tasks");
+        System.out.println("3. Mark a task as completed");
+        System.out.println("4. Delete a task");
+        System.out.println("5. Exit");
+        System.out.print("Enter your choice: ");
+    }
+
+    private static void addTask() {
+        System.out.print("Enter task title: ");
+        String title = scanner.nextLine();
+        System.out.print("Enter task description: ");
+        String description = scanner.nextLine();
+
+        Task task = new Task(title, description);
+        tasks.add(task);
+        System.out.println("Task added successfully!");
+    }
+
+    private static void viewTasks() {
+        System.out.println("\nTask List:");
+        for (int i = 0; i < tasks.size(); i++) {
+            Task task = tasks.get(i);
+            System.out.println(i + 1 + ". " + task.getTitle() + " - " + task.getDescription() +
+                    (task.isCompleted() ? " (Completed)" : ""));
+        }
+    }
+
+    private static void markTaskCompleted() {
+        System.out.print("Enter the task number to mark as completed: ");
+        int taskNumber = scanner.nextInt();
+        scanner.nextLine();  // Consume newline character
+
+        if (taskNumber >= 1 && taskNumber <= tasks.size()) {
+            Task task = tasks.get(taskNumber - 1);
+            task.markAsCompleted();
+            System.out.println("Task marked as completed!");
+        } else {
+            System.out.println("Invalid task number. Please try again.");
+        }
+    }
+
+    private static void deleteTask() {
+        System.out.print("Enter the task number to delete: ");
+        int taskNumber = scanner.nextInt();
+        scanner.nextLine();  // Consume newline character
+
+        if (taskNumber >= 1 && taskNumber <= tasks.size()) {
+            Task task = tasks.remove(taskNumber - 1);
+            System.out.println("Task deleted: " + task.getTitle());
+        } else {
+            System.out.println("Invalid task number. Please try again.");
+        }
+    }
+}