13.1 Fill in the blanks in each of the following statements:
a) A method is said to _________ an exception when it detects that a problem has occurred.
b) When present, the _________ block associated with a
try block always executes.
c) Exception classes are derived from class _________.
d) The statement that throws an exception is called the _________ of the exception.
e) C# uses the _________ model of exception handling as opposed to the _________ model of exception handling.
f) An uncaught exception in a method causes the method to _________ from the method-call stack.
Convert.ToInt32 can throw a(n) _________ exception if its argument is not a valid integer value.
13.2 State whether each of the following is ...