Polymorphism specifically enables the creation of programs that handle:
a) classes that are containers for other classes
b) large amounts of data with efficiency
c) a wide variety of classes in a general manner
d) None of the above
c) a wide variety of classes in a general manner
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Consider the implementation strategies for massively multiplayer online games as discussed in Section 1.2.2. In particular, what advantages do you see in adopting a single server approach for representing the state of the multiplayer game? What problems can you identify and how might they be resolved?
What will be an ideal response?
Match the following items and descriptions:
I. Header II. Watermark III. Margins IV. Footer V. Symbol A. Area of blank space that appears at the top, bottom, left, and right sides of a document B. Text or graphics that displays behind text on a page C. Graphic or character not usually found on a keyboard D. One or more lines at the top of each page, containing such items as author or file name E. One or more lines at the bottom of each page, often including a page number
A(n) ____ reference refers to a fixed cell location that never changes.?
A. ?absolute B. ?relative C. ?template D. ?vector
The web application that Saria's development team is working on needs to provide secure session management that can prevent hijacking of sessions using the cookies that the application relies on. Which of the following techniques would be the best for her to recommend to prevent this?
A. Set the Secure attribute for the cookies, thus forcing TLS. B. Set the Domain cookie attribute to example.com to limit cookie access to servers in the same domain. C. Set the Expires cookie attribute to less than a week. D. Set the HTTPOnly attribute to require only unencrypted sessions.