February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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Reading Grades from the User
Lines 19–23 prompt the user to enter integer grades and to type the end-of-file indicator to terminate the input. The end-of-file indicator is a system-dependent keystroke combination which the user enters to indicate that there’s no more data to input. In Chapter 15, Files, Streams and Object Serialization, you’ll see how the end-of-file indicator is used when a program reads its input from a file.
On UNIX/Linux/Mac OS X systems, end-of-file is entered by typing the sequence
<Ctrl> d
on a line by itself. This notation means to simultaneously press both the Ctrl key and the d key. On Windows systems, end-of-file can be entered by typing
<Ctrl> z
[Note: On some systems, you must press Enter after typing the end-of-file ...
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