Can I code once in J2ME and run it on any mobile phone just like I can using the .Net compact framework?
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Can I code once in J2ME and run it on any mobile phone just like I can using the .Net compact framework?
The J2ME code that you write needs a certain environment on the phone in terms of the runtime and the classes that are accessible to it. Depending on what you use in your application you would be able to run it on some phones and it wont work on other. For e.g. let say you a J2ME application that uses MIDP 2.0 and CDLC 1.1. Now, your app will only work on phones that support these profiles.
You normally target a certain segment of mobile phones when writing mobile phone applications. You dont expect an acceleratometer application to work on phones that dont have an acceleratometer! ( I dont think J2ME has any support for acceleratometers though 😉 )