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Why inner class can't have static variable

bagaria kushal
Greenhorn

Joined: Mar 29, 2011
Posts: 19
Please explain why inner class can't have static variables???
and if the variable is static final then it compiles fine. why?
Andrey Kozhanov
Ranch Hand

Joined: Mar 12, 2010
Posts: 79
Just think about it. Static block is executed during class initialization, and you cannot initialize a non-static inner class without having an instance of the enclosing class, that's the reason.

if the variable is static final then it compiles fine

That's not exactly true. According to specification inner classes may not declare static members, unless they are compile-time constant field. Consider the following code:
bagaria kushal
Greenhorn

Joined: Mar 29, 2011
Posts: 19
Can you please explain why compile time constants can be marked as static inside inner class
 
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