To_Do.java

import java.util.*;
public class To_Do {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        List<String> toDoList = new ArrayList<>();
        while (true) {
            System.out.println("To-Do List Application");
            System.out.println("1. Add Task");
            System.out.println("2. View Tasks");
            System.out.println("3. Remove Task");
            System.out.println("4. Exit");
            System.out.print("Choose an option: ");
            int choice = scanner.nextInt();
            scanner.nextLine(); 

            switch (choice) {
                case 1:
                    System.out.print("Enter task to add: ");
                    String taskToAdd = scanner.nextLine();
                    toDoList.add(taskToAdd);
                    System.out.println("Task added.");
                    break;
                case 2:
                    System.out.println("Your Tasks:");
                    for (int i = 0; i < toDoList.size(); i++) {
                        System.out.println((i + 1) + ". " + toDoList.get(i));
                    }
                    break;
                case 3:
                    System.out.print("Enter task number to remove: ");
                    int taskNumber = scanner.nextInt();
                    if (taskNumber > 0 && taskNumber <= toDoList.size()) {
                        toDoList.remove(taskNumber - 1);
                        System.out.println("Task removed.");
                    } else {
                        System.out.println("Invalid task number.");
                    }
                    break;
                case 4:
                    System.out.println("Exiting application.");
                    scanner.close();
                    return;
                default:
                    System.out.println("Invalid choice. Please try again.");
            }
        }
    }
}