This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Which of the following lines of code, if inserted independently at Line 5, will cause the text within the ctherwise tag to display? (Choose all that apply)
D. books.add("Head First");
E. books = null;
Answer is BD,
I thought it would be E. Also the explanation gviven in the book is not satisfying. What is the correct answer?