【IT168 技术资讯】Tiobe今日公布了2009年7月的编程语言排行榜，本期榜单的显著变化是，Objective-C增长迅速，市场占有率由上个月的0.123%上升到0.509%，排行第21，与排行第20的Matlab只差0.003%的份额，进入TOP20指日可待。Object-C的增长，要感谢iPhone手机的上升势头。
前10名的变化基本稳定，排名依次为：Java、C、C++、PHP、 Visual Basic、Python、C#、JavaScript、Perl、Ruby。
前50名列表：
| Position Jul 2009 | Position Jul 2008 | Delta in Position | Programming Language | Ratings Jul 2009 | Delta Jul 2008 | Status |
|---|---|---|---|---|---|---|
| 1 | 1 |  | Java | 20.452% | -0.89% | A |
| 2 | 2 | | C | 17.319% | +1.37% | A |
| 3 | 3 | | C++ | 10.419% | -0.27% | A |
| 4 | 5 | | PHP | 9.269% | -0.26% | A |
| 5 | 4 | | (Visual) Basic | 7.789% | -2.66% | A |
| 6 | 8 | | C# | 4.540% | +0.54% | A |
| 7 | 7 | | Python | 4.435% | -0.54% | A |
| 8 | 6 | | Perl | 4.200% | -0.93% | A |
| 9 | 9 | | JavaScript | 3.513% | +0.76% | A |
| 10 | 10 | | Ruby | 2.567% | -0.17% | A |
| 11 | 11 | | Delphi | 1.998% | -0.01% | A |
| 12 | 13 | | PL/SQL | 0.891% | +0.16% | A |
| 13 | 14 | | SAS | 0.794% | +0.17% | A |
| 14 | 24 | | RPG (OS/400) | 0.740% | +0.41% | A |
| 15 | 16 | | Pascal | 0.707% | +0.27% | A |
| 16 | 26 | | ABAP | 0.703% | +0.44% | A- |
| 17 | 20 | | Lisp/Scheme | 0.607% | +0.22% | B |
| 18 | 12 | | D | 0.593% | -0.63% | B |
| 19 | 18 | | Lua | 0.531% | +0.12% | B |
| 20 | 27 | | MATLAB | 0.512% | +0.26% | B |
| Position | Programming Language | Ratings |
|---|---|---|
| 21 | Objective-C | 0.509% |
| 22 | ActionScript | 0.425% |
| 23 | Fortran | 0.400% |
| 24 | COBOL | 0.399% |
| 25 | Logo | 0.394% |
| 26 | Ada | 0.394% |
| 27 | FoxPro/xBase | 0.338% |
| 28 | PowerShell | 0.327% |
| 29 | Scratch | 0.274% |
| 30 | Transact-SQL | 0.271% |
| 31 | Prolog | 0.243% |
| 32 | Scala | 0.228% |
| 33 | Erlang | 0.203% |
| 34 | Haskell | 0.198% |
| 35 | ML | 0.196% |
| 36 | LabVIEW | 0.191% |
| 37 | Focus | 0.155% |
| 38 | Awk | 0.153% |
| 39 | Smalltalk | 0.150% |
| 40 | Forth | 0.145% |
| 41 | Alice | 0.142% |
| 42 | J | 0.133% |
| 43 | Tcl/Tk | 0.129% |
| 44 | JavaFX Script | 0.129% |
| 45 | Caml/F# | 0.118% |
| 46 | NXT-G | 0.118% |
| 47 | Groovy | 0.114% |
| 48 | APL | 0.111% |
| 49 | Bourne shell | 0.109% |
| 50 | CL (OS/400) | 0.107% |
