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01:52
Manik P.
Which statement about abstract classes and interfaces is false? (A) An interface cannot implement any non-default instance methods, whereas an abstract class can. (B) A class can implement many interfaces but can have only one superclass. (C) An unlimited number of unrelated classes can implement the same interface. (D) It is not possible to construct either an abstract class object or an interface object. (E) All of the methods in both an abstract class and an interface are public.
02:51
Ben C.
Which of the following is a $false$ statement about the methods? (A) equals, less Than, and toString are all accessor methods. (B) increment is a mutator method. (C) Time() is the default constructor. (D) The Time class has three constructors. (E) There are no static methods in this class.
01:19
The method1 method in ClassB is an example of (A) method overloading. (B) method overriding. (C) polymorphism. (D) information hiding. (E) procedural abstraction.
01:30
Use the declarations below for Questions. A program that tests these classes has the following declarations and assignments: How many of the above lines of code are incorrect? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4
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