What is an object's lock and which object's have locks in java programming?
What is the difference between stream and buffer?
When should I use singleton pattern?
Wha is the output from system.out.println(“hello”+null); ?
I want to print “hello” even before main is executed. How will you acheive that?
When the constructor of a class is invoked?
What is the difference between DataInputStream and BufferedReader
When a byte datatype is used?
What is the difference between stored procedure & function?
What are Access Specifiers and Access Modifiers.
Give me example of derived data types.
What is a platform?
What is return null in java?