How do you test a method for an exception using junit?
Is singleton thread safe in java?
Why vector is used in java?
What is a null class?
What is method with example?
What is module in project?
what is Thread?
What is the common usage of serialization?
Which access specifier can be used with class ?
Explain exception chaining in java?
What is the purpose of finalization?
What is a blocking method in Java?
is it mandatory to deaclare all variables public static fianl in interfaces?if i declare like in the below program, public interface A { public static final int I=0; int j=0; } in interface A,what is the difference between I,j?