上一次讨论类似问题，还是在月初。刚好有老外网友做了一个实验，对 62 门编程语言速度做了一个比较，通过莱布尼茨公式计算 π 值，然后给出运行速度的排名，最慢是 Python （CPython）。实验过程和结果都公开透明，参见网址：https://github.com/niklas-heer/speed-comparison。 有时候，我挺理解那些对 Java 有偏见的程序员的。比如，Python ...

Erm. Well. There are a lot of possible answers to that. Some points:<BR><BR>1. Java is generally compiled to bytecode, which is then interpreted at run-time. (There are exceptions, and some ...

Jazelle Extension Another way to speed Java execution on a standard RISC architecture is to extend the architecture itself, to directly execute Java instructions. ARM designers added a new Java ...