In terms of computer languages, PHP (up 16%) continues its strong growth. C# (up 2.5% over last year) was the only other programming language whose growth was in positive territory. By contrast, sales of books on Java (down 10%), Visual Basic (down 23%), C/C++ (down 4%), Perl (down 14%), Python (down 9%), and Javascript (down 12%) were all lower than they were in the same period a year ago.
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