When will we use them?
Why can't we make a class private in java?
Is java se open source?
What all methods are used to prevent thread execution ?
Is 64bit faster than 32 bit?
Can an object be garbage collected while it is still reachable?
Why packages are used?
Is void a return type?
Does string isempty check for null?
java is puerly object oriented or not ?
How can we break singleton in java?
Is empty set an element of empty set?
How do you clear a method in java?