Close: #1 Lab 7

lab/lab7/Question3/Dog.java

@@ -0,0 +1,47 @@
+/*
+ * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
+ * Date: 2022/04/03
+ * Description: This is the class of Dog. Dog has 4 legs and can not fly.
+ */
+
+public class Dog extends Animal {
+	/**
+	 * Constructor of Dog.
+	 *
+	 * @param name String
+	 */
+	public Dog(String name) {
+		super(name);
+	}
+
+	/**
+	 * Dog has 4 legs.
+	 *
+	 * @return int
+	 */
+	@Override
+	public int getLegs() {
+		return 4;
+	}
+
+	/**
+	 * Dog can not fly.
+	 *
+	 * @return boolean
+	 */
+	@Override
+	public boolean canFly() {
+		return false;
+	}
+
+	/**
+	 * Test.
+	 */
+	public static void testDog() {
+		Dog d = new Dog("Jack");
+		System.out.println(d.getName() == "Jack");
+		System.out.println(d.getLegs() == 4);
+		System.out.println(d.canFly() == false);
+	}
+}
+