Java vs C++ on performance on Symbian

[threedim]

I was wondering if there is a significant performance difference between writing an application in Java and C++ on Symbian OS.
eg. memory handling and speed which are all important in things like pda's n phones.

Are there any advantages performance wise between those two?

 

[amorielljr]

C++ will always be faster than Java (unless compiled down to a binary executable). Even in that case C++ programs will execute faster.

 

[threedim]

oh ic. so performance would definately be better on C++ then. Java just has an easier to understand syntax

 

[amorielljr]

Yes, the fact that Java complies down to byte code which is then executed by the Java Virtual Machine makes it execute a god bit slower that C/C++. Java is easier to learn than C/C++ because Java does not use pointers, just references. Also the vast APIs and Swing allow rapid development.

 

[VanDavid]

IC, but executing Java on Linux/Unix is faster then on MS OS. Why? Thanx

 

[thekobbler]

probably the JVMs are better optimised for Linux (as its open source) rather than MS (closed).