31.  Can you give few examples of final classes defined in Java API?

32.  How is final different from finally and finalize()?

33.  Can a class be declared as static?

34.  When will you define a method as static?

35.  What are the restriction imposed on a static method or a static block of code?

36.  I want to print "Hello" even before main() is executed. How will you acheive that?

37.  What is the importance of static variable?

38.  Can we declare a static variable inside a method?

39.  What is an Abstract Class and what is it's purpose?

40.  Can a abstract class be declared final?