A. It defaults to an empty string.
B. It defaults to null.
C. It does not have a default value.
D. It will not compile without initializing on the declaration line
B. It defaults to null.
An instance variable can be a variable of the type object. For such variables, the default value is null. (In particular, since Strings are objects, their default value is null.)
a) lib b) package c) getlib d) import Answer d) import
a. ResultSet b. DriverManager c. Statement d. Connection Answer: b. DriverManager Explanation: DriverManager is a class that acts as an interface between users and Drivers. It
a) True b) False Answer b) False Explanation: A subtype is something that is substituted for and behaves as its parent type. All subclass may
i) It is used as its fundamental building block ii) Similar objects are classified using a concept of class iii) Polymorphism and abstraction are not
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