final project q10

finalproject/Question10/User.java

@@ -0,0 +1,69 @@
+/*
+ * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
+ * Date: 2022-04-25
+ * Description: This is the User class.
+ */
+
+public abstract class User implements IUser {
+	/**
+	 * The user's name.
+	 */
+	private String name;
+
+	/**
+	 * The number of books borrowed by the user.
+	 */
+	private int book;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param name The user's name.
+	 * @param book The number of books borrowed by the user.
+	 */
+	public User(String name, int book) {
+		this.name = name;
+		this.book = book;
+	}
+
+	/**
+	 * Getter of the user's name.
+	 *
+	 * @return The user's name.
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * Getter of the number of books borrowed by the user.
+	 *
+	 * @return The number of books borrowed by the user.
+	 */
+	public int getBook() {
+		return book;
+	}
+
+	/**
+	 * Change the number of books borrowed by the user.
+	 *
+	 * @param book The number of books borrowed by the user.
+	 */
+	protected void setBook(int book) {
+		this.book = book;
+	}
+
+	/**
+	 * Increase the number of books borrowed by the user.
+	 *
+	 * @param book The number of books borrowed by the user.
+	 */
+	public abstract void moreBook(int number) throws NotALenderException;
+
+	/**
+	 * Test.
+	 */
+	public static void testUser() {
+		// abstract class not testing
+	}
+}