Answers for Lab 7
1. Why is the compilation error produced in the statement where method check is invoked? Is this an example of a checked exception or an 
unchecked exception?

2. Why does ExceptionExample2 crash?

3. Which exception is thrown: and exception of type NullPointerException or an exception of type Exception?

4. Why does the compiler give a compilation error when swapping the catch statements?

5. Why is only the word "null" printed when running the program?

6. What exception is thrown by ExceptionExample10? Is this a checked exception or an unchecked exception?