lab8 finished

lab/lab8/Question8/BadRadiusException.java

@@ -0,0 +1,19 @@
+/*
+ * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
+ * Date: 2022-04-14
+ * Description:
+ * 		This is the BadRadiusException class.
+ */
+
+public class BadRadiusException extends Exception {
+	// Generate serialVersionUID by class name
+	private static final long serialVersionUID = BadRadiusException.class.getName().hashCode();
+
+	public BadRadiusException() {
+		super();
+	}
+
+	public BadRadiusException(String message) {
+		super(message);
+	}
+}