can we take more than one null values for Unique
constraints.
What is methodological theory?
What is a variable declaration?
What is the difference between arraylist and hashset in java?
How to find the largest value from the given array.
What is boolean used for?
What is assembly used for?
i need example for java abstraction. where we use abstraction and why we need abstraction.
When should I use singleton pattern?
What is difference between checked and unchecked exception in java?
Can we create our own daemon thread?
What is actual difference between statement,prepared statement and callable statement and when we have to use it? pls post a answer with code and clear explanation. thanks
what is default layout of JFrame class?