/*
 * Explain:
 * The check method is static because it is do not need to create an Start object.
 */

public class Start {
	public static void main(String[] args) {
		Student.testStudent();

		Student stu = new Student(123);
		System.out.println(check(stu) == "need coffee");
		stu.fallAsleep();
		System.out.println(check(stu) == "sweet dreams");

		Chicken.testChicken();
	}

	/**
	 * check student sleeping. If student is sleeping, return "sweet dreams", if
	 * not, return "need coffee".
	 *
	 * @param stu. Student object
	 * @return String.
	 */
	public static String check(Student stu) {
		if (stu.isSleeping()) {
			return "sweet dreams";
		} else {
			return "need coffee";
		}
	}
}