java theory question set 9 ( Balagurusamy )

 1. different type of array creation

2. how array is initialized?

3. 2d array creation and initialization.

4. variable size array.

5. mutable and immutable.

6. string and stringBuffer comparison

7. 

8. common stringBuffer method

9. wrapper class

10. autoboxing and unboxing

11. enumerated datatype.