class Oct30 {

	public static void main(String[] args) {

		Student joe = new Student("Joe", "Smith", 1);
		System.out.println(joe);

		Student alice = new Student("Alice", "Wonderland", 2, "Physics");
		System.out.println(alice);


		System.out.println(joe.getFirstName());
		System.out.println(alice.getFirstName());

		alice.setStudentId(5);
		System.out.println(alice.getStudentId());

		System.out.println(alice.getMajor());
		alice.setMajor("Engineering");
		System.out.println(alice.getMajor());
	
		System.out.println(alice.toString());	

	}
}