Java interview questions

Core java interview questions for freshers
     

1.  What is java run time environment?

2.  How java is platform independent language?

3.  What is difference between compiler and interpreter?

4.  Java is secure language. Why?

5.  Why main function in java is static?

6.  What is abstract class and what is use of abstract class?

7.  Why a class cannot be static?

8.  Why abstract class