import java.util.ArrayList; import java.util.List; import java.util.Scanner;
public class ToDoListFeature {
public void completeTask(String task) { if (tasks.remove(task)) { completedTasks.add(task); System.out.println("Task completed: " + task); } else { System.out.println("Task not found: " + task); } } java addon v10
public void addTask(String task) { tasks.add(task); System.out.println("Task added: " + task); } import java
public ToDoListFeature() { this.tasks = new ArrayList<>(); this.completedTasks = new ArrayList<>(); } System.out.println("Task completed: " + task)