February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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Notes on Integer Division and Truncation
The averaging calculation performed by method main produces an integer result. The program’s output indicates that the sum of the grade values in the sample execution is 846, which, when divided by 10, should yield the floating-point number 84.6. However, the result of the calculation total / 10 (line 26 of Fig. 4.8) is the integer 84, because total and 10 are both integers. Dividing two integers results in integer division—any fractional part of the calculation is truncated (i.e., lost). In the next section we’ll see how to obtain a floating-point result from the averaging calculation.
Common Programming ...
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