Which of the following is true about abstract classes?
A. they are the same as a class interface
B. the are always a subclass of a superclass
C. they are not normally instantiated in client applications
D. they are used as concrete classes by client applications
Answer: C
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Which of the following statements is false?
a. With a BufferedOutputStream each output operation is directed to a buffer large enough to hold the data of many output operations. Transfer to the output device is performed in one large physical output operation when the buffer fills. b. With a BufferedOutputStream, a partially filled buffer can be forced out to the device at any time by invoking the stream object’s force method. c. With a BufferedInputStream, many “logical” chunks of data from a file are read as one large physical input operation into a memory buffer. d. With a BufferedInputStream, as a program requests data, it’s taken from the buffer. When the buffer is empty, the next actual physical input operation is performed.
Data ____________________ appear next to data markers in a chart and can indicate the series name, category name, and/or the value of one or more data points.?
Fill in the blank(s) with the appropriate word(s).
Describe a situation in which you would use Solver to maximize results.
What will be an ideal response?
What method projects your data to the onscreen list by connecting a ListView object to array data?
A. createViewAdapter method B. projectArrayAdapter method C. setListAdapter method D. useListAdapter method