Can a user save all database updates in onStop ()?
A - Yes, a user can save all database updates in onStop()
B - No, a user can save in onSavedInstance()
C - No, a user can save in a Bundle()
D - No, In some situations, a user can't reach onStop()
D - No, In some situations, a user can't reach onStop()
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Answer the following statements true (T) or false (F)
1. If a base class does not have a parameterless constructor, its derived class constructor must use the notation: base(parameter List) to call one of the base class's parameterized constructors. 2. If a reference to a base class object calls a method that has been overridden by a derived class, the derived class's version of the method is the one that executes. 3. Properties in a base class can be overridden in the same way that methods can be overridden. 4. If a derived class introduces additional methods, properties, or fields, a base class reference variable cannot access them.
Having used the id attribute to identify the content of a section element, be sure to include the ____ character to the left of the reference to that section id.
A. $ B. @ C. & D. #
The two most commonly used personal computers are categorized by their operating system, either ________.
a. Windows or Mac b. Windows or Linux c. Mac or IBM d. Dell or IBM
A(n) ________-oriented protocol requires two computers to exchange control packets.
Fill in the blank(s) with the appropriate word(s).