Given the declaration Circle x = new Circle(), which of the following statement is most accurate.
a. x contains an int value.
b. x contains an object of the Circle type.
c. x contains a reference to a Circle object.
d. You can assign an int value to x.
c x is a reference variable that can reference a Circle object or null if it does not reference any object.
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Answer the following statement true (T) or false (F)
________ is an I/O-performance-enhancement technique—it reduces the number of I/O operations by combining smaller outputs together in memory; the number of physical I/O operations is much smaller than the number of I/O requests issued by the program.
a. Aggregating b. Accumulating c. Amassing d. Buffering
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Answer the following statement true (T) or false (F)
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