Questions $(8$ min$)$

For the following questions, assume that the following has been executed:

Examplel exl $=$ new Examplel$()$;$|$

What is the return type of the blah $()$ method?

What is returned if you call ex$1.$blah$(1)?$

Write a test method that tests the ex$1.$blah $()$ method for a non$-$negative argument.

If you call ex$1.$blah $(-1)$

a$.$ What is returned?

b$.$ What is thrown?

c$.$ What is its type?

Why would the compiler not like the following line?