10.4 Calling Methods that Throw Exceptions

Question 1

📝️ What PITFALLS when code-snnipet doesn’t throw a checked-exception?

Answer 1

✅ We can specify it might throws a checked-exception

❌ However, we can NOT wrap it in a try-catch block (Unreachable catch-block)

Question 2

📝️ What are the PITFALLS when Overriding Methods with Exceptions?

Answer 2

✅ Having fewer exceptions is ok

❌ Adding new exceptions (✅Unchecked-exceptions is ok (redundant))

Question 3

📝️ What are the three ways of Printing an Exception?

Answer 3

• > System.out.println(exc); //Exception type + message
• > System.out.println(exc.getMessage()); //message
• > exc.printStackTrace(); //hierarchy of method calls