Save tasks to a file using FileWriter and an enhanced for-loop.

SaveTasks.java

	/**
	 * Saves tasks found in the ArrayList to a file.
	 * <p>
	 * Each task is separated by a newline,
	 * and the tasks are formatted using the createTabRecord method, which separates the values
	 * of the task with tab characters. This method also overwrites any previous files of the
	 * same name.
	 */
	private void saveTasks(){
		if (tasks.isEmpty()){ // Make sure tasks ArrayList isn't empty
			System.out.print("There are no  tasks to save");
		}
		else{
			FileWriter taskList = null;
			int numberOfTasks = 0;
			try {
				taskList = new FileWriter("tasks.txt");
				for(Task t:tasks){
					taskList.append(t.createTabRecord());
					taskList.append('\n');
					numberOfTasks ++;
				}
				System.out.print("Saved "+numberOfTasks+" to file "+System.getProperty("user.dir")+"\tasks.txt");
			} catch (IOException e) {
				e.printStackTrace();
			}
			finally {
				if (taskList != null){ // Only try to close the stream if taskList was created
					try {
						taskList.close();
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
			}
		}	
	}