Passing a variable's address is referred to as passing by ____.

An automatic email mailing list of people who regularly participate in discussion topics is called ________.

A. attachments B. instant messaging C. listserv D. spam

In the following code, which line in ClassA has an error?

``` Line 1 public interface MyInterface Line 2 { Line 3 int FIELDA = 55; Line 4 public int methodA(double); Line 5 } Line 6 public class ClassA implements MyInterface Line 7 { Line 8 FIELDA = 60; Line 9 public int methodA(double) { } Line 10 } ``` a. Line 6 b. Line 7 c. Line 8 d. Line 9