As shown in the accompanying figure, some Web sites may not have ____ in their URL.
A. www
B. a protocol
C. a domain
D. an end anchor tag
Answer: A
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Which of the following statements is true?
a. Local variables are automatically initialized. b. Every instance variable has a default initial value—a value provided by Java when you do not specify the instance variable’s initial value. c. The default value for an instance variable of type String is void. d. The argument types in the method call must be identical to the types of the corresponding parameters in the method’s declaration.
The _____________ statement in a called method can be used to pass the value of an expression back to the calling method.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1. Numeric codes are much easier to sort than alphanumeric. 2. Keep codes uniform among, as well as within, programs. 3. When using codes in a GUI interface, they should only be selected using a check box. 4. If codes change frequently or are somewhat unstable, they should be stored as a database function in a GUI system.
Two-dimensional arrays are often used to represent _______.
a) a pie chart b) distances c) lines d) tables