Câu hỏi phỏng vấn Android
Câu hỏi

What is Dalvik?

Câu trả lời

Dalvik is the discontinued process virtual machine (VM) that was used to execute applications in older versions of the Android operating system. It was designed and written by Dan Bornstein, who named it after the fishing village "Dalvík" in Eyjafjörður, Iceland[3].

The key points about Dalvik are:

  • It was a register-based virtual machine that executed applications written for Android[3].
  • Android apps were compiled into Dalvik bytecode (.dex files) which the VM could run efficiently[3].
  • Dalvik was designed to be memory-efficient and able to run multiple instances on the same device[3].
  • It sat on top of the Linux kernel in the Android stack[3].
  • Dalvik used a Just-In-Time (JIT) compiler which compiled bytecode during run...
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