Sorting using completion comparator

sortByIsComplete.java

/**
	 * Sorts the task list using the TaskIsCompleteComparator comparator.
	 * <p>
	 * Checks to make sure that the array is not empty before attempting to compare elements.
	 */
	private void sortByIsComplete(){
		if (tasks.isEmpty()==false){
			Collections.sort(tasks, new TaskIsCompleteComparator());
			System.out.println("Sorting by Is-Complete is complete");
		}
		else{
			System.out.print("Nothing to sort, no tasks");
		}
		
	}

TaskIsCompleteComparator.java

import java.util.Comparator;

public class TaskIsCompleteComparator implements Comparator<Task>{

	@Override
	public int compare(Task t1, Task t2){
		return Boolean.compare(t1.getIsComplete(), t2.getIsComplete());
	}
}