public static void main(String[] args){

Scanner scanner = new Scanner(System.in);

ArrayList<String> tasks = new ArrayList<>();

boolean running = true;

while (running){

System.out.println("Menu:");

System.out.println("1. Add task");

System.out.println("2. Show tasks");

System.out.println("3. Remove task");

System.out.println("4. Exit");

System.out.print("Choose one option: ");

int choice = scanner.nextInt();

scanner.nextLine();

switch (choice){

case 1:

System.out.print("Enter task: ");

String newTask = scanner.nextLine();

tasks.add(newTask);

System.out.println("Task added");

break;

case 2:

if (!tasks.isEmpty()){

System.out.println("Tasks:");

for (int i = 0; i < tasks.size(); i++) {

System.out.println((i+1) + ". " + tasks.get(i));

}

} else {

System.out.println("The list is empty");

}

break;

case 3:

if(tasks.isEmpty()){

System.out.println("No task in the list");

} else {

System.out.println("Enter task number to remove: ");

int taskNumber = scanner.nextInt();

scanner.nextLine();

if(taskNumber > 0 && taskNumber <= tasks.size()) {

tasks.remove(taskNumber-1);

System.out.println("Task removed");

} else {

System.out.println("Invalid task number.");

}

}

break;

case 4:

running = false;

System.out.println("Goodbye");

break;

default:

System.out.println("Invalid option, try again.");

}

}

}