When a class implements an interface, the body of each of the interface's methods has to be written in the new class.

In a recursive function, the statement(s) that invoke the function again are called the ______________.

Fill in the blank(s) with the appropriate word(s).

Does the root directory have any subdirectories you cannot search as an ordinary user? Does the root directory have any subdirectories you cannot read as a regular user? Explain.

What will be an ideal response?