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Difference Between Android and J2ME

 
Deepika Saxena
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Hi,
can any body let me know whether Android Platform is the advanced version of J2ME?
Thanks.
--Deepika
 
Freddy Wong
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No, Android isn' the advanced platform for J2ME.

Even though, Android uses Java language (now you can also code in C++), it runs on the Dalvik virtual machine. So the Java code isn't compiled into a bytecode. For JavaME, it uses KVM (somewhat similar to JVM with smaller size) and it compiles to bytecode.
 
Tim Holloway
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Android is architecturally quite different than J2ME. Not only in the JVM details, which are really immaterial, but in the fundamental structure of applications.

J2ME apps are essentially programs just like applets or stand-alone applications, although they use a different display technology due to resource constraints.

Android apps are more like a set of components or services that you wire together.
 
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