IGNOU Java important VIVA question and answers in Hindi

In Hindi I am explaning,
1) What is OOP
2)Define this jvm,jdk,class,object,jre
3)Defien these package, static keyword,access specifiers
4)OOPs features
5)What is applet
6) Difference between runtime prolymorphism and compile time polymorphism
7) What is servelet
8) what is constrctor
9) Difference between exception and error
10) How to write java code?