lab5

lab/lab5/Question6/Student.java

@@ -0,0 +1,83 @@
+/*
+ * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
+ * Date: 2022/03/19
+ * Description: Student class
+ */
+
+public class Student {
+	/**
+	 * Student's name
+	 */
+	private String name;
+
+	/**
+	 * Student's pet
+	 */
+	private Animal pet;
+
+	/**
+	 * Constructor
+	 */
+	public Student(String name, Animal pet) {
+		this.name = name;
+		this.pet = pet;
+	}
+
+	/**
+	 * Getter for name
+	 *
+	 * @return String
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * Getter for pet
+	 *
+	 * @return Animal
+	 */
+	public Animal getPet() {
+		return pet;
+	}
+
+	/**
+	 * Test
+	 */
+	public static void testStudent() {
+		Cat pet = new Cat("Tom", 1.0);
+		Student student = new Student("Walter", pet);
+		System.out.println(student.getName() == "Walter");
+		System.out.println(student.getPet() == pet);
+		System.out.println(student.getPet().getName() == "Tom");
+		System.out.println(student.getPet().getWeight() == 1.0);
+
+		Dog pet2 = new Dog("Jerry", 1.0);
+		Student student2 = new Student("Walter", pet2);
+		System.out.println(student2.getName() == "Walter");
+		System.out.println(student2.getPet() == pet2);
+		System.out.println(student2.getPet().getName() == "Jerry");
+		System.out.println(student2.getPet().getWeight() == 1.0);
+
+		Animal pet3 = new Animal("Unknown animal", 4.0);
+		Student student3 = new Student("Walter", pet3);
+		System.out.println(student3.getName() == "Walter");
+		System.out.println(student3.getPet() == pet3);
+		System.out.println(student3.getPet().getName() == "Unknown animal");
+		System.out.println(student3.getPet().getWeight() == 4.0);
+
+		Bird pet4 = new Bird("bird", 1.0, 39.0);
+		Student student4 = new Student("Walter", pet4);
+		System.out.println(student4.getName() == "Walter");
+		System.out.println(student4.getPet() == pet4);
+		System.out.println(student4.getPet().getName() == "bird");
+		System.out.println(student4.getPet().getWeight() == 1.0);
+
+		Chicken pet5 = new Chicken("chicken");
+		Student student5 = new Student("Walter", pet5);
+		System.out.println(student5.getName() == "Walter");
+		System.out.println(student5.getPet() == pet5);
+		System.out.println(student5.getPet().getName() == "chicken");
+		System.out.println(student5.getPet().getWeight() == 5.0);
+	}
+}