can we take more than one null values for Unique
constraints.
What is a class variable?
how to handled exceptions & erros in ejb?
How do you join strings in java?
Why do we need to override equals() and hascode() method of object class?
What is dot operator?
Explain the use of sublass in a java program?
why we write public static void main (String args[]) in core java plz explain briefly??????????????????
What is the difference between size and length in java?
worst case complexities of Quick sort and Merge sort.
Explain Stream Tokenizer?
What is the difference between Checked and Unchecked exception? Give some examples
What is the method to declare member of a class static?