Which of the following is an abstract function?
a. virtual double getArea() = 0;
b. virtual double getArea();
c. double getArea();
d. double getArea() = 0;
a. virtual double getArea() = 0;
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Which statement is false?
a. The Collections API provides a set of public static methods for converting collections to unmodifiable versions. b. Unmodifable wrappers throw ModificationExceptions if attempts are made to modify the collection. c. You can use an unmodifiable wrapper to create a collection that offers read-only access to others while allowing read- write access to yourself. d. You can create the kind of collection mentioned in part (c) simply by giving others a reference to the unmodifiable wrapper while you also retain a reference to the wrapped collection itself.
Whenever a string literal is thrown, it’s a(n) ____, not a string class object, that is thrown.
a. C-string b. array of integers c. numeric value d. character
Which is true of a web-based systems development environment?
A. Scalability of web-based systems can be affected by network limitations and constraints. B. Internet-based development treats the web only as a communication channel. C. Web-based solutions do not open complex security issues that should be addressed. D. Web-based software treats the software application as a service that is less dependent on desktop computing power and resources.
PMPs are mostly of two types, music and media players but much of what they can do can also be done on _____
A. Tablets B. Smartphones C. laptops D. all of those