February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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7.4.4 Summing the Elements of an Array
Often, the elements of an array represent a series of values to be used in a calculation. If, for example, they represent exam grades, a professor may wish to total the elements of the array and use that sum to calculate the class average for the exam. The GradeBook examples in Figs. 7.14 and 7.18 use this technique.
Figure 7.5 sums the values contained in a 10-element integer array. The program declares, creates and initializes the array at line 8. The for statement performs the calculations. [Note: The values supplied as array initializers are often read into a program rather than specified in an initializer list. For example, an application could input the values from a user or from a file on disk (as ...
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