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1、中国海洋大学20072008 学年第 2 学期 期末考试试卷信息科学与工程学院面向对象的程序设计课程试题(A 卷) 共 3 页 第 1 页考试说明：本课程为闭卷考试，可携带文具 ( 或本课程为开卷考试，可携带文具和资料) ，满分为： 100 分。一、 （ 20 points）Multiple Choice1. is not a member function of a class. (A) Constructor (B) Destructor (C) Friend function2. is the earliest ancestor of object-oriented programmin
2、g languages. (A) C+ (B) Simula 67 (C) FORTRAN 3.To assert that one class is a of another is to simply say it was built using inheritance. (A) subclass (B) subtype 4. may be accessed directly through the instances of child class within the external function. (A) private members in the parent class (B
3、) protected members in the parent class (C) public members in the parent class 5. To create an instance, the template argument must be associated with a . (A) type (B) number (C) character 6. C+ has the space allocation strategy. (A) maximum static (B) minimum static (C) dynamic 7. In allocation, th
4、e amount of space required is determined at run-time . (A) stack-based (B) heap-based 8. “ ” can be overloaded as function. (A) friend (B) member 9. A is invoked automatically when an object is deleted. (A) constructor (B) destructor10. Overriding is resolved at time. (A) run (B) compile 题号一二三四五六七总分
5、得分授课教师命题教师或命题负责人签字年月日院系负责人签字年月日优选专业年级学号姓名授课教师座号-装-订-线-名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 7 页 - - - - - - - - - 共 3 页第 2 页二、 （10 points）True/False( ) 1. Inheritance represents the has-a relationship. ( ) 2. All the member functions in the friend clas
6、s are friend members for current class. ( ) 3. Shadowing only occurs in the context of the parent/child relationship. ( ) 4. A type name can be used as an operator. ( ) 5. In object-oriented languages, the term polymorphism means there is one meaning and many different names. 三、 （ 16 points） Fill in
7、 the following blanks and write out the running results of function main. Suppose: (1) class Y is a private subclass of class X;(2) class Z is a public subclass of class Y;(3) a, b and c are encapsulated data members. #include class X public: X(int x) a=x; void showX( ) cout“ a=” aendl;int a; ; clas
8、s Y: private X public: Yb=y; void showY( ) couta=aendl; coutb=bendl; X:showX( ); private: int b; ; class Z: public Y public: Z c=z; void showZ( ) showY( ); coutc=cendl; private: int c; ; int main( ) Z obj(10, 20, 30); obj.showX( ); obj.showY( ); obj.showZ( ); return 0; 名师资料总结 - - -精品资料欢迎下载 - - - - -
9、 - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 7 页 - - - - - - - - - 中国海洋大学20072008 学年第 2 学期 期末考试试卷信息科学与工程学院面向对象的程序设计课程试题(A 卷) 共 3 页 第 3 页四、 （ 14 points）Please write out the class definitions of Studentand GraduateStudent. 五、 （ 20 points） Please write out the class definitions of Shape , Cu
10、be , Sphereand draw the diagram of inheritance hierarchy. 六、 （ 20 points）Please implement the addition of two matrices, which has 2 rows and 3 columns. 优选专业年级学号姓名授课教师座号-装-订-线-名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 7 页 - - - - - - - - - 中国海洋大学20072008 学年
11、第 2 学期 期末考试试卷信息科学与工程学院面向对象的程序设计课程试题(B 卷) 共 3 页 第 1 页考试说明：本课程为闭卷考试，可携带文具 ( 或本课程为开卷考试，可携带文具和资料) ，满分为： 100 分。一、 （ 12 points）Multiple Choice1. is not a member function of a class. (A) Constructor (B) Destructor (C) Friend function2. is the earliest ancestor of object-oriented programming languages. (A)
12、C+ (B) Simula 67 (C) FORTRAN 3.is a valid identifier in C+. (A) 2006Year (B) E-mail (C) idNumber# (D) _age 4. Storage for variable is allocated at block entry and destroyed at block exit. (A) global (B) static (C) automatic5. may be accessed directly through the instances of child class within the e
13、xternal function. (A) private members in the parent class (B) protected members in the parent class (C) public members in the parent class 6. is a manipulator used to determine the number of character positions in which to display a right-justified number. (A) setw (B) setprecision (C) fixed (D) end
14、l 二、 （ 12 points）True/False( ) 1. Composition represents the is-a relationship. ( ) 2. If the parent class is virtual , there is only one copy in the child classes. ( ) 3. Destructors can be overloaded. ( ) 4. Shadowing only occurs in the context of the parent/child relationship. ( ) 5. Overloading
15、is resolved at run time. ( ) 6. The implementation of dynamic polymorphism relies on virtual functions.题号一二三四五六七总分得分授课教师命题教师或命题负责人签字年月日院系负责人签字年月日优选专业年级学号姓名授课教师座号-装-订-线-名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 7 页 - - - - - - - - - 共 3 页第 2 页三、 （ 16 points
16、）Please fill in the following blanks and write out the running results of function main: #include using namespace std; class Base public: Base(int sa) a=sa; cout“ Constructing Base , a= ” aendl; private: int a; ; class Base1:virtual public Base public: Base1(int sa,int sb): b=sb; cout“ Constructing
17、Base1 , b= ” bendl; private: int b; ; class Base2:virtual public Basepublic: Base2(int sa,int sc): c=sc; cout“ Constructing Base2 , c= ” cendl; private: int c; ; class Derive: public Base1, public Base2 public: Derive(int sa,int sb, int sc,int sd): d=sd; cout“ Constructing Derive, d= ” dendl; privat
18、e: int d; ; int main( ) Derive obj(2, 4, 6, 8); return 0; 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 5 页，共 7 页 - - - - - - - - - 中国海洋大学20072008 学年第 2 学期 期末考试试卷信息科学与工程学院面向对象的程序设计课程试题(B 卷) 共 3 页 第 3 页四、 （ 20 points）Please implement the addition of two fractional va
19、lues.五、 （ 20 points）Please write out the class definition of PartTime _Student and draw the diagram of inheritance hierarchy. 六、 （ 20 points ） Class person has data members of name, age and sex. Class employee has data members of name, age, sex, department and salary. Both of them can provide servic
20、e to display values of data members. Please write out the definitions of class person and class employee using public inheritance.优选专业年级学号姓名授课教师座号-装-订-线-名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页，共 7 页 - - - - - - - - - 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 7 页，共 7 页 - - - - - - - - -