面向对象技术与C考试A卷正式

1、 装 订 线 西安工业大学试题纸学年学期20092010学年第一学期课程名称 面向对象技术与C+ A卷/B卷命题教师审 批考试形式开卷/闭卷考试类型考试/考查使用班级070601、02、03、09、10考试时间2009.12.22 1：303：30考试地点C101、C102学生班级姓 名学 号备 注一、程序填空题（共5题，每空2分，共30分）2、#include class p_class int num ; public : void set_num ( int val ) num = val ; void show_num ( ) ; ; void p_class : show_num (

2、 ) cout num t ; void main ( ) p_class ob3 , * p ; for(int i = 0; i show_num ( ) ; _(4)_; p - show_num ( ) ; _(5)_; p - show_num ( ) ; 输出： 20 30 101、#include class A _(1)_ void f(int i)coutit; void g()coutgn; ; class B:private A public: void h()couthn; _(2)_ ; void main() B d; d.f(6); d.h(); 输出： 6 h3

3、、#include class Tdate int month ; int day ; int year ; int IsLeapYear() return(year%4=0&year%100!=0)|(year%400=0); _(6)_ void Set (int m, int d, int y) month=m; day=d; year=y; _(7)_; ; _(8)_Print() cout month / day / yearendl ; if(IsLeapYear()coutThis year Is leapyear.n ; else coutThis year Is not l

4、eapyear.n; void main() Tdate a ; a.Set ( 2, 4, 2000 ) ; a.Print() ; 3、#include class Base1 public: Base1( int i ) cout Base1 construct i endl ; ; class Base2 public: Base2( int j ) cout Base2 construct j endl ; ; class A: public Base1, public Base2 public: A( int a, int b, int c, int d ) : Base2(b),

5、 Base1(c), b2(a), b1(d) coutA construct: a+b+c+d endl; private: Base1 b1; Base2 b2; ; void main() A obj( 1, 2, 3, 4 ); 2、#include class test private: int num; public: test( ); int geint( )return num; test( ); ; test : test( ) cout constructor is active! endl; num=0; test: test( ) cout Destructor is

6、active! endl; void main( ) test x2; cout Exiting main endl; 4、#include class Location public: Location( int xx = 0 , int yy = 0 ) X = xx ; Y = yy ; cout Constructor Object.n ; Location( Location & p ) /复制构造函数 X = p.X ; Y = p.Y ; cout Copy_constructor called. endl ; Location() cout X , Y Object destr

7、oyed. endl ; int GetX () return X ; int GetY () return Y ; private : int X , Y ; ;void f ( Location p ) cout Funtion: p.GetX() , p.GetY() endl ; void main() Location A ( 1, 2 ) ; f ( A ) ;5、#include iostream.h#includestdlib.hclass ARRAY int *v; /指向存放数组数据的空间 int s; /数组大小 public: ARRAY(int a, int n);

8、ARRAY()delete v; int size() return s; int& operator(int n); ;ARRAY: ARRAY(int a, int n) if(n=0) v=NULL;s=0;return; s=n; v=_(12)_; for(int i=0; in; i+) _(13)_;_(14)_ operator(int n) / 的运算符成员函数定义if(n=s) cerr下标越界！; exit(1); return _(15)_;4、#include class Time public: Time(int h, int m) hours=h; minutes

9、=m; void Time12(); _(9)_ Time24(Time time); private: int hours, minutes; ; _(10)_ Time12() if(hours12) couthours-12:minutesPMn ; else couthours:minutesAMn ; void Time24(Time time) cout_(11)_ void main() Time T1(20,30), T2(10,45); T1.Time12(); Time24(T1); T2.Time12(); Time24(T2); 输出： 8:30PM 20:30 10:

10、45AM 10:45二、写出程序的运行结果（共7题，每题5分，共35分）1、#include int f (int a 3 ,int row,int col) int i,j,t= 1;for(i=0;irow;i+) for(j=0;jcol;j+) aij+; if (i=j) t*=aij; return t; void main() int a 3=0,1,2,3,4,5,6,7,8;coutf(a,3,3)endl; 7、#include class Bclass public: Bclass( int i, int j ) x = i; y = j; virtual int fun

11、() return 0 ; int getx()return x; int gety()return y; protected: int x, y ; ; class Iclass:public Bclass public : Iclass(int i, int j, int k):Bclass(i, j) z = k; int fun() return ( x + y + z ) / 3; int getz()return z; private : int z ; ;void main() Iclass obj( 2, 4, 10 ); Bclass p1 = obj; cout p1.fu

12、n() endl; Bclass & p2 = obj ; cout p2.fun() endl; cout p2.Bclass : fun() endl; Bclass *p3 = &obj; cout fun() endl; coutgetz()endl; 5、#includeclass A public:A( ) coutcall A( )n; virtual A( ) coutcall A( )n; ;class B:public A char* buf;public:B( ) buf=new char100; coutcall B( )n; B( ) delete buf; coutcall B( )n; ;void main( ) A *p=new B; delete p; 6、#include iostream.hvoid main() int a33=1,2,3,4,5,6,7,8,9; cout*(a1+2);三 编程题（1、2每小题10分，第3题15分，共35分）：1、 用面向对象的方法，编程实现求100300以内的所有素数。2、利用静态数据成员的概念，编写一个类，可以统计目前存在多少个该类的对象，并在主程序中使用这个类。3、 定义一个字符