The _____ value of theuseattribute means that the attribute must always appear with the element.
Fill in the blank(s) with the appropriate word(s).
required
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The format specifier ________ is used to output values of type float or double.
a. %f b. %d c. %fd d. %r
Which statement is true when a superclass has protected instance variables?
a. A subclass object can assign an invalid value to the superclass’s instance variables, thus leaving an object in an inconsistent state. b. Subclass methods are more likely to be written so that they depend on the superclass’s data implementation. c. We may need to modify all the subclasses of the superclass if the superclass implementation changes. d. All of the above.
An iterator of the iterator type that gives you read/write access to the element to which the iterator points is known as a(n)
a. immutable iterator b. mutable iterator c. auto iterator d. range iterator e. None of these
Which of the followings is the correct CSS property for an element's background color?
A. background color B. background-color C. bgcolor D. color