February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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CircularBuffer Method displayState
Method displayState (lines 57–86) outputs the application’s state. Lines 63–64 output the values of the buffer cells. Line 64 uses method printf with a "%2d" format specifier to print the contents of each buffer with a leading space if it’s a single digit. Lines 71–83 output the current writeIndex and readIndex with the letters W and R, respectively. Once again, displayState is a synchronized method because it accesses class CircularBuffer’s shared mutable data.
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