What is the difference between DVM and JVM?

Question

What is difference between Java Virtual Machine and Dalvik Virtual Machine?

Answer 1

Dalvik VM can't execute Java bytecode(.class) It has to be(.dex)

Oracle JVM has stack based architecture & Dalvik has register based architecture.

JVM suppost to multiple operating system. (it is open source) but DVM supported for Android Operating system (before comming android 5.o android used the DVM)