August 2003
Intermediate to advanced
672 pages
16h 23m
English
book
Programmer's Guide to Java™ Certification, A: A Comprehensive Primer, Second Edition
by Khalid A. Mughal, Rolf W. Rasmussen
Content preview from Programmer's Guide to Java™ Certification, A: A Comprehensive Primer, Second Edition
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2. Language Fundamentals
| 2.1 |
(c)
52pickup is not a legal identifier. The first character of an identifier cannot be a digit. |
| 2.2 |
(e)
In Java, the identifiers delete, thrown, exit, unsigned, and next are not keywords. Java has a goto keyword, but it is reserved and not currently used. |
| 2.3 |
(b)
It is a completely valid comment. Comments do not nest. Everything from the start marker of a comment block (/*) until the first occurrence of the end marker of the comment block (*/) is ignored by the compiler. |
| 2.4 |
(a) and (d)
String is a class, and "hello" and "t" denote String objects. Java only has the following primitive data types: boolean, byte, short, char, int, long, float, and double. |
| 2.5 |
(a), (c), and (e)
Type (a) is a boolean data type, while types ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.