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Tiobe近日公布了2009年6月的编程语言排行榜，本期榜单的显著变化是，JavaScript的占有率创造了目前为止的历史最高值，为 4.021%；此外上升幅度最明显的是商业编程语言RPG (OS/400)，本月从上月的15名提到了13名；Logo跌出前20排名，同时Lisp/Scheme挤入前20名。前十位排名仍然没有变化，分别 是：Java、C、C++、PHP、 Visual Basic、Python、C#、JavaScript、Perl、Ruby。
编程语言排名前20
| Position Jun 2009 |
Position Jun 2008 |
Delta in Position | Programming Language | Ratings Jun 2009 |
Delta Jun 2008 |
Status |
|---|---|---|---|---|---|---|
| 1 | 1 |  |
Java | 20.147% | -0.74% | A |
| 2 | 2 | |
C | 16.779% | +1.27% | A |
| 3 | 3 | |
C++ | 10.594% | -0.21% | A |
| 4 | 4 | |
PHP | 9.675% | -0.53% | A |
| 5 | 5 | |
(Visual) Basic | 7.943% | -1.84% | A |
| 6 | 7 |  |
Python | 4.756% | -0.14% | A |
| 7 | 8 | |
C# | 4.536% | +0.48% | A |
| 8 | 9 | |
JavaScript | 4.021% | +1.09% | A |
| 9 | 6 |  |
Perl | 3.909% | -1.64% | A |
| 10 | 10 | |
Ruby | 2.629% | -0.01% | A |
| 11 | 11 | |
Delphi | 2.182% | +0.16% | A |
| 12 | 14 | |
PL/SQL | 0.879% | +0.12% | A |
| 13 | 26 | |
RPG (OS/400) | 0.778% | +0.53% | A-- |
| 14 | 13 | |
SAS | 0.759% | -0.16% | A |
| 15 | 15 | |
Pascal | 0.759% | +0.16% | A |
| 16 | 27 | |
ABAP | 0.726% | +0.49% | A-- |
| 17 | 12 | |
D | 0.620% | -0.83% | A-- |
| 18 | 16 | |
Lisp/Scheme | 0.607% | +0.17% | B |
| 19 | 19 | |
Lua | 0.557% | +0.19% | B |
| 20 | 23 | |
MATLAB | 0.527% | +0.26% | B |
排行榜上前十名编程语言的长期趋势图如下：
排名21到50的编程语言：
| Position | Programming Language | Ratings |
|---|---|---|
| 21 | ActionScript | 0.444% |
| 22 | Logo | 0.403% |
| 23 | COBOL | 0.397% |
| 24 | Fortran | 0.374% |
| 25 | Ada | 0.370% |
| 26 | FoxPro/xBase | 0.369% |
| 27 | PowerShell | 0.299% |
| 28 | Scratch | 0.252% |
| 29 | Prolog | 0.216% |
| 30 | Scala | 0.208% |
| 31 | Haskell | 0.205% |
| 32 | LabVIEW | 0.193% |
| 33 | Erlang | 0.176% |
| 34 | ML | 0.173% |
| 35 | Transact-SQL | 0.172% |
| 36 | Groovy | 0.152% |
| 37 | Caml/F# | 0.149% |
| 38 | Smalltalk | 0.148% |
| 39 | Forth | 0.148% |
| 40 | Awk | 0.140% |
| 41 | Focus | 0.138% |
| 42 | Tcl/Tk | 0.132% |
| 43 | NXT-G | 0.131% |
| 44 | Alice | 0.129% |
| 45 | Objective-C | 0.123% |
| 46 | J | 0.117% |
| 47 | APL | 0.115% |
| 48 | CL (OS/400) | 0.110% |
| 49 | VHDL | 0.105% |
| 50 | Bourne shell | 0.101% |
原文链接：
http://www.tiobe.com/index.php/content/paperinfo/tpci/index.html
