Which of the following statements are true about interfaces and abstract classes?
Can the value of a final variable be changed
What is result Set ?
What is the use of finalize method ?
What is the concrete class of DateFormat for formatting and parsing dates in a locale-sensitive manner ?
You need an explicit constructor for any class ?
When I say this "the ability of a single variable of a given type to be used to reference objects of
different types, and automatically call the method that is specific to the type of object the variable references", what I am talking about
What is the difference between an abstract class and an interface and when should you use them?
When I say this "is the inclusion of behavior (i.e. methods) and state (i.e. variables) of a base class in a derived class so
that they are accessible in that derived class", what I am talking about ?
What is the substitute for java.util.StringTokenizer ?