Diagnostic Quiz

Problems

1-7. Interface Inheritance

Interface inherits another interface. A class implements an interface.

Staff interface implements the TaxPayer interface. TA implements the Staff interface.

• True

• False

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False. Staff inherits, not implements, the TaxPayer interface.

1-13. Java Logging

Java has a default logging facility.

Java programmers need to use third-party logging libraries as Java does not have a default logging mechanism.

• True

• False

---

False. Java has a default logging facility.

2-18. SoC Principle

The principle of SoC states that the code which we are more concerned about should be separated out.

• True

• False

---

False. This is not the definition of SoC.

Tips

1. Interface inherits another interface. A class implements an interface.

2. Java has a default logging facility.

3. Java assertions cannot be used for exception handling.

4. In coupling, if X is coupled to Y if a change to Y can potentially require a change in X. It doesn't mean a change to Y must require a change in X.

5. SRP is about classes, not methods.