Question

1. (TCO 7) Which of the following statements are true? (Points : 5)        Interfaces contain one and only one implemented method, a constructor.
       Interfaces are defined inside an abstract class.
       All methods defined in an interface must be implemented when used by another class.
       A true object-oriented design must contain as least one interface.

Question 2. 2. (TCO 7) In an object-oriented program, methods with no implementation might be found in an _____ and/or a(n) ______. (Points : 5)        abstract class; base class        abstract class; interface        interface; base class        None of the above

Question 3. 3. (TCO 7) When developing an object-oriented application, developers are required to comply with specific _____ or rules defined in a framework. (Points : 5)        programming styles        object hierarchies        instantiated classes        contracts        None of the above

Question 4. 4. (TCO 8) Data/information hiding and encapsulation improves construction and maintenance because: (Points : 5)        A. Program bugs are isolated to a single class.        B. Programming to an interface makes the code more logical.        Both A and B        None of the above

Question 5. 5. (TCO 8) What are some of the characteristics of a “good” comment? (Points : 5)        Detailed comments should address all aspects of the code and structure        Code markers should be used to show what the developer still needs to do        Comments showing the intent of the code        All of the above        None of the above

Question 6. 6. (TCO 9) Which of the following allow a programmer to reduce the complexity of an object-oriented program? (Points : 5)        Create each class in a separate file        Using namespaces as a container for logically related items        Using namespaces to create global types        All of the above        None of the above

Question 7. 7. (TCO 1) Assuming a class definition of a Bear that has a default constructor and constructor that accepts three string arguments, and the appropriate properties defined, how many objects are created in the code below? static void Main(string[] args) {    Bear newObject;    Bear newBearObject = new Bear();    Bear newBear = new Bear("Bear", "Yogi", "Polar");    Bear newBigBear = new Bear(); ;    newObject = newBearObject; } (Points : 5)        2        3        5        4

Question 8. 8. (TCO 2) Given a private attribute called favoriteColor, which of the following are proper implementations for a getter and a setter? (Points : 5)        int GetFavoriteColor(){return favoriteColor;}, int SetFavoriteColor(int favoriteColor){return favoriteColor;}        void GetFavoriteColor (){return favoriteColor;}, void SetFavoriteColor (int favoriteColor){this.favoriteColor = favoriteColor;}        string GetFavoriteColor (){return favoriteColor;}, void SetFavoriteColor (string favoriteColor){this.favoriteColor = favoriteColor;}        string GetFavoriteColor (){this.favoriteColor = favoriteColor;}, void SetFavoriteColor (string favoriteColor){return favoriteColor;}

Question 9. 9. (TCO 7) Which of the following declares an abstract method in an abstract class? (Points : 5)

       public abstract void DisplayResult();
       public void abstract DisplayResult();
       public void DisplayResult{};
       public abstract void DisplayResult() {}