What is double data type?
Can I extend singleton class in java?
How to create an immutable class?
What is difference between hashset and hashmap in java?
What is Classloader in Java?
Can we make constructors static?
what is class.forname() and how it will be useful ?
What is autoboxing in java?
Can we access instance variables within static methods ?
how to handle exceptions in ejb?
Can we create a class inside a class in java?
methods in Applet?
Java is pass by value or pass by reference? Explain