面向对象程序设计 C 复习题.docx
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面向对象程序设计C复习题
一选择题(共45题)
1.对类的构造函数和析构函数描述正确的是()。
A.构造函数可以重载,析构函数不能重载√
B.构造函数不能重载,析构函数可以重载
C.构造函数可以重载,析构函数也可以重载
D.构造函数不能重载,析构函数也不能重载
2.继承具有(),即当基类本身也是某一个类派生类时,底层的派生类也会自动继承间接基类的成员。
A)规律性B.传递性√C.重复性D.多样性
3.假设OneClass为一个类,则该类的复制初始化构造函数的声明语句为()。
(OneClassp);B.OneClass&(OneClassp);
C.OneClass(OneClass&p);√D.OneClass(OneClass*p);
4.对于结构中定义的成员,其默认的访问权限为()。
B.protectedD.static
5.下面对静态数据成员的描述中,不正确的是()。
A.静态数据成员可以在类体内进行初始化√
B.静态数据成员不可以在类体内进行初始化
C.静态数据成员能受private控制符的作用
D.静态数据成员调用前必须初始
6.C++中的类有两种用法:
一种是类的实例化,即生成类对象,并参与系统的运行;另一种是通过( )派生了新的类。
A.复用B.继承√C.封装D.引用
7.假定AA为一个类,a为该类公有的数据成员,x为该类的一个对象,则访问x对象中数据成员a的格式为()。
A.x(a)B.x[a]C.x->aD.√
9.对于一个类的构造函数,其函数名与类名()。
A.完全相同√B.基本相同C.不相同D.无关系
10.一个类的构造函数通常被定义为该类的()成员。
A.公有√B.保护C.私有D.友元
11.一个类的析构函数通常被定义为该类的()成员。
A.私有B.保护C.公有√D.友元
12.一个类的静态数据成员所表示属性()。
A.是类的或对象的属性B.只是对象的属性
C.只是类的属性√D.类和友元的属性
13.类的析构函数的作用是()。
A.一般成员函数B.类的初始化C.对象初始化D.删除对象之前的善后工作√
14.下列对基类和派生类关系的描述中,错误的是()。
A.派生类是基类的具体化B.派生类是基类的子集√
C.派生类是基类定义的延续D.派生类是基类的组合
15.下列对派生类的描述中,错误的是()。
A.一个派生类可以作为另一个派生类的基类B.派生类至少有一个基类
C.派生类的缺省继承方式是privateD.派生类只继承了基类的公有成员和保护成员√
16.下列对继承的描述中,错误的是()。
A.析构函数不能被继承
B.派生类也是基类的组合
C.派生类的成员除了它自己的成员外,还包含了它的基类的成员
D.派生类中继承的基类成员的访问权限到派生类保持不变√
17.派生类的对象对它的基类成员中()是可以访问的。
A.公有继承的公有成员√B.公有继承的私有成员
C.公有继承的保护成员D.私有继承的公有成员
18.下列说法错误的是()。
A.公有继承的基类中的public成员在派生类中仍是public的
B.公有继承的基类中的private成员在派生类中仍是private的√
C.私有继承的基类中的public成员在派生类中仍是private的
D.保护继承的基类中的public成员在派生类中仍是protected的
19.下面叙述错误的是()。
A.基类的protected成员在派生类中仍然是protected√
B.基类的protected成员在public派生类中仍然是protected的
C.基类的protected成员在private派生类中是private的
D.基类的protected成员不能被派生类的对象访问
20.设置虚基类的声明中,正确的是()。
A.简化程序B.消除二义性√C.提高运行效率D.减少目标代码
21.关于虚函数的描述中,正确的是()。
A.虚函数是一个静态成员函数
B.虚函数是一个非成员函数
C.虚函数即可以在函数说明定义,也可以在函数实现时定义
D.派生类的虚函数与基类中对应的虚函数具有相同的参数个数和类型√
22.下列描述中,()是抽象类的特征。
A.可以说明虚函数B.可以进行构造函数重载
C.可以定义友元函数D.不能说明其对象√
23.静态数据成员的初始化是在()中进行的。
A.构造函数B.任何成员函数
C.所属类D.全局区√
24.当将一个类A或函数f()说明为另一个类B的友元后,类A或函数f()能够直接访问类B的()。
A.只能是公有成员B.只能是保护成员
C.只能是除私有成员之外的任何成员D.具有任何权限的成员√
25.在重载一个运算符时,其参数表中没有任何参数,这表明该运算符是()。
A.作为友元函数重载的1元运算符B.作为成员函数重载的1元运算符√
C.作为友元函数重载的2元运算符D.作为成员函数重载的2元运算符
26.关于运算符重载,下列说法正确的是()。
A.重载时,运算符的优先级可以改变。
B.重载时,运算符的结合性可以改变。
C.重载时,运算符的功能可以改变。
√
D.重载时,运算符的操作数个数可以改变。
27.从一个基类派生出的各个类的对象之间()。
A.共享所有数据成员,每个对象还包含基类的所有属性
B.共享部分数据成员,每个对象还包含基类的所有属性
C.不共享任何数据成员,但每个对象还包含基类的所有属性
D.共享部分数据成员和函数成员√
28.C++的继承性允许派生类继承基类的()。
A.部分特性,并允许增加新的特性或重定义基类的特性√
B.部分特性,但不允许增加新的特性或重定义基类的特性
C.所有特性,并允许增加新的特性或重定义基类的特性
D.所有特性,但不允许增加新的特性或重定义基类的特性
29.派生类的成员函数可以直接访问基类的()成员。
A.所有B.公有和保护√C.保护和私有D.私有
30.当派生类中有和基类一样名字的成员时,一般来说,()。
A.将产生二义性B.派生类的同名成员将覆盖基类的成员√
C.是不能允许的D.基类的同名成员将覆盖派生类的成员
31.关于纯虚函数和抽象类的描述中,错误的是()。
A.纯虚函数是一种特殊的虚函数,它没有具体的实现
B.抽象类是指具体纯虚函数的类
C.一个基类中说明有纯虚函数,该基类派生类一定不再是抽象类√
D.抽象类只能作为基类来使用,其纯虚函数的实现由派生类给出
32.如果一个类至少有一个纯虚函数,那么就称该类为()。
A.抽象类√B.虚函数C.派生类D.以上都不对
33.要实现动态联编,必须通过()调用虚函数。
A.对象指针√B.成员名限定C.对象名D.派生类名
34.以下()成员函数表示虚函数。
A.virtualintvf(int);B.voidvf(int)=0;
C.virtualvoidvf()=0;D.virtualvoidvf(int){};√
40.下面描述中,正确的是()。
A.virtual可以用来声明虚函数√
B.含有纯虚函数的类是不可以用来创建对象的,因为它是虚基类
C.即使基类的构造函数没有参数,派生类也必须建立构造函数
D.静态数据成员可以通过成员初始化列表来初始化
35.在成员函数中进行双目运算符重载时,其参数表中应带有()个参数。
A.0B.1√C.2D.3
36.在重载一运算符时,若运算符函数的形参表中没有参数,则不可能的情况是()。
A.该运算符是一个单目运算符。
B.该运算符函数有一个隐含的参数this。
C.该运算符函数是类的成员函数。
D.该运算符函数是类的友元函数。
37.下面对于友元函数描述正确的是()。
A.友元函数的实现必须在类的内部定义
B.友元函数是类的成员
C.友元函数破坏了类的封装性和隐藏性√
D.友元函数不能访问类的私有成员
38.为了使类中的某个成员不能被类的对象通过成员操作符访问,则不能把该当成员的访问权限定义为()。
A.public√B.protectedC.privateD.ststic
39.下面对静态数据成员的描述中,正确的是()。
A.静态数据成员是类的所有对象共享的数据√
B.类的每一个对象都有自己的静态数据成员
C.类的不同对象有不同的静态数据成员值
D.静态数据成员不能通过类的对象调用
++类体系中,不能被派生类继承的有()。
A.构造函数√B.虚函数C.静态成员函数D.赋值操作函数
41下列虚基类的声明中,正确的是()。
A.classvirtualB:
publicAB.virtualclassB:
publicA
C.classB:
publicAvirtualD.classB:
virtualpublicA√
42在下面的表达式中,不表示虚继承的是()。
A.virtualpublicB.publicvirtual
C.public√D.virtual
43.下列关于动态联编的描述中,错误的是()。
A.动态联编是以虚函数为基础
B.动态联编是运行时确定所调用的函数代码的
C.动态联编调用函数操作是指向对象的指针或对象引用
D.动态联编是在编译时确定操作函数的√
44.下面4个选项中,()是用来声明虚函数的。
A.virtual√B.publicC.usingD.false
45.编译时的多态性可以通过使用()获得。
A
A.虚函数和指针√B.重载函数和析构函数
C.虚函数和对象D.虚函数和引用
二填空题(共33题)
1.重载插入运算符<<时,其运算符函数的返回值类型应当是ostream&。
2.派生类可以定义其基类中不具备的数据和操作。
3.对象将其大部分实现细节隐藏起来,这种机制称为封闭。
4.建立类和类的对象时,系统对类不分配内存,系统对对象分配内存。
5.基类和派生类的关系称为继承和派生。
6.当保护继承时,基类的公有或保护成员在派生类中成为保护成员,派生类对象不能直接访问基类的任何成员。
7.C++支持两种多态性:
编译时的多态性(重载)和运行时的多态性(虚函数)。
、
8.在C++中定义类时,通常是利用变量描述对象的“特征”;利用函数描述对象的“行为”。
9.假定用户为类AB定义了一个构造函数"AB(intaa,char*bb=NULL):
a(aa),b(bb){}”,则该类中至少包含有2个数据成员。
10.类是对象的抽象 ;而对象则是类的具体实例。
11.如果不做特殊说明,类成员的默认访问权限是私有;结构成员的默认访问权限是公有。
12.在定义对象的同时初始化其成员变量,需要利用构造函数,用于初始化变量的值可以是固定的常量,也可以通过参数获得。
13.在私有继承关系下,基类的公有成员和保护成员将成为派生类中的私有成员,它们只能由派生类的成员函数来访问;基类的私有成员将成为派生类中的不可访问的成员。
14.在保护继承中,基类中的公有成员、保护成员是可见的。
15.面向对象方法构造的系统,其基本单位是对象。
16.生成一个派生类对象时,先调用基类的构造函数,然后调用派生类的构造函数。
operator+(AAx)表示为运算符+重载。
18.若在类的定义体中只给出了一个成员函数的原型,则在类外给出完整定义时,其函数名前必须加上类名和两个冒号分隔符。
19.若采用(y)表达式调用一个成员函数,在成员函数中使用的*this就代表了类外的x对象。
20.假定用户没有给一个名为AB的类定义析构函数,则系统为其定义的析构函数为~AB(){}。
21.类的成员按访问权限可分为三类:
公有、私有、保护。
22.在一个类中定义复制构造函数的目的,是为了当利用该类的一个对象初始化另一个对象时,能够避免这两个对象的同一指针同时指向同一块地址。
23.假定AB为一个类,则执行“ABa[10];”语句时,系统自动调用该类构造函数的次数为10。
24.假定要把aa定义为AB类中的一个常量整数型数据成员,则定义语句为constintaa;。
25.假定AB为一个类,则该类的复制构造函数的函数头为AB(AB&)。
26.假定AB为一个类,该类中含有一个指向动态数组空间的指针成员pa,则在该类的析构函数中应该包含有一条deletepa语句。
27.静态成员函数只能访问类的静态数据成员,非静态成员函数访问类的非静态数据成员。
28.一个类的成员函数也可以成为另一个类的友元函数,这时的友元说明必须在函数名前加上friend的限定。
29.一个单目运算符作为类的成员函数重载时有0个参数;如果作为友元函数重载,则有1个参数。
30.若多个基类及其派生类中都定义了同名函数成员,要访问相应函数时,就需要在函数名前加上基类名和类区分符。
31.若要保证一个公共的基类在派生类中只产生一个基类子对象,则必须都以virtual的方式直接继承它。
32.引进虚基类的根本目的是为了消除二义性。
33.在每个成员函数中,隐含的第一个参数的参数名为this指针。
三写出下列程序的运行结果
1.
(1)
#include<>
structab
{
chara[5];
floatb;
};
voidmain()
abx={"Li",};
cout<<<<'\t'<<<}2.(2)#include<>structab{chara;floatb;};voidf(ab&y){='W';=;}voidmain(){abx={'L',};f(x);cout<<<<'\t'<<<}3.(3)#include<>#include<>classA{chara;public:A(char*s){a=newchar[strlen(s)+1];strcpy(a,s);cout<~A(){delete[]a;cout<<"Destructor!"<};voidmain(){Ax("LiMing"); A y("Zhang"); }4.(4)#include<>intn=0;classA{inta;public:A(intaa=0){a=aa;n++;}~A(){n--;cout<voidshow(){cout<};voidmain(){Aa;();{Ax[2];x[1].show();}();}5.(5)#include<>classA{inta,b; public:A(){a=b=0;cout<A(intaa,intbb){a=aa;b=bb;cout<};voidmain(){Ax,y(10,5);}6.(6)#include<>classBB{inta,b;public:BB(inti=0,intj=1){a=i;b=j;}BBoperator+(BBc){BBd;=a+*10;=b+*10;returnd;}BBoperator-(BBc){BBd;=a*;=b*;returnd;}voidshow(){cout<<'('<};voidmain(){BBx(2,6),y(5,5),z;z=x+y;();z=x-y;();}7.(7)#include<>classEX{intx,y;public:EX(inti=0,intj=1){x=i;y=j;}EXoperator*(EXz){EXd;=x*;=y*;returnd;}EXoperator/(EXc){EXd;=;=;returnd;}voidshow(){cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
}
2.
(2)
{chara;
voidf(ab&y)
{='W';
=;
abx={'L',};
f(x);
cout<<<<'\t'<<<}3.(3)#include<>#include<>classA{chara;public:A(char*s){a=newchar[strlen(s)+1];strcpy(a,s);cout<~A(){delete[]a;cout<<"Destructor!"<};voidmain(){Ax("LiMing"); A y("Zhang"); }4.(4)#include<>intn=0;classA{inta;public:A(intaa=0){a=aa;n++;}~A(){n--;cout<voidshow(){cout<};voidmain(){Aa;();{Ax[2];x[1].show();}();}5.(5)#include<>classA{inta,b; public:A(){a=b=0;cout<A(intaa,intbb){a=aa;b=bb;cout<};voidmain(){Ax,y(10,5);}6.(6)#include<>classBB{inta,b;public:BB(inti=0,intj=1){a=i;b=j;}BBoperator+(BBc){BBd;=a+*10;=b+*10;returnd;}BBoperator-(BBc){BBd;=a*;=b*;returnd;}voidshow(){cout<<'('<};voidmain(){BBx(2,6),y(5,5),z;z=x+y;();z=x-y;();}7.(7)#include<>classEX{intx,y;public:EX(inti=0,intj=1){x=i;y=j;}EXoperator*(EXz){EXd;=x*;=y*;returnd;}EXoperator/(EXc){EXd;=;=;returnd;}voidshow(){cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
3.(3)
classA{
chara;
public:
A(char*s){
a=newchar[strlen(s)+1];
strcpy(a,s);
cout<~A(){delete[]a;cout<<"Destructor!"<};voidmain(){Ax("LiMing"); A y("Zhang"); }4.(4)#include<>intn=0;classA{inta;public:A(intaa=0){a=aa;n++;}~A(){n--;cout<voidshow(){cout<};voidmain(){Aa;();{Ax[2];x[1].show();}();}5.(5)#include<>classA{inta,b; public:A(){a=b=0;cout<A(intaa,intbb){a=aa;b=bb;cout<};voidmain(){Ax,y(10,5);}6.(6)#include<>classBB{inta,b;public:BB(inti=0,intj=1){a=i;b=j;}BBoperator+(BBc){BBd;=a+*10;=b+*10;returnd;}BBoperator-(BBc){BBd;=a*;=b*;returnd;}voidshow(){cout<<'('<};voidmain(){BBx(2,6),y(5,5),z;z=x+y;();z=x-y;();}7.(7)#include<>classEX{intx,y;public:EX(inti=0,intj=1){x=i;y=j;}EXoperator*(EXz){EXd;=x*;=y*;returnd;}EXoperator/(EXc){EXd;=;=;returnd;}voidshow(){cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
~A(){delete[]a;
cout<<"Destructor!
"<};voidmain(){Ax("LiMing"); A y("Zhang"); }4.(4)#include<>intn=0;classA{inta;public:A(intaa=0){a=aa;n++;}~A(){n--;cout<voidshow(){cout<};voidmain(){Aa;();{Ax[2];x[1].show();}();}5.(5)#include<>classA{inta,b; public:A(){a=b=0;cout<A(intaa,intbb){a=aa;b=bb;cout<};voidmain(){Ax,y(10,5);}6.(6)#include<>classBB{inta,b;public:BB(inti=0,intj=1){a=i;b=j;}BBoperator+(BBc){BBd;=a+*10;=b+*10;returnd;}BBoperator-(BBc){BBd;=a*;=b*;returnd;}voidshow(){cout<<'('<};voidmain(){BBx(2,6),y(5,5),z;z=x+y;();z=x-y;();}7.(7)#include<>classEX{intx,y;public:EX(inti=0,intj=1){x=i;y=j;}EXoperator*(EXz){EXd;=x*;=y*;returnd;}EXoperator/(EXc){EXd;=;=;returnd;}voidshow(){cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
{Ax("LiMing");
A y("Zhang"); }
4.(4)
intn=0;
inta;
A(intaa=0){a=aa;n++;}
~A(){n--;cout<voidshow(){cout<};voidmain(){Aa;();{Ax[2];x[1].show();}();}5.(5)#include<>classA{inta,b; public:A(){a=b=0;cout<A(intaa,intbb){a=aa;b=bb;cout<};voidmain(){Ax,y(10,5);}6.(6)#include<>classBB{inta,b;public:BB(inti=0,intj=1){a=i;b=j;}BBoperator+(BBc){BBd;=a+*10;=b+*10;returnd;}BBoperator-(BBc){BBd;=a*;=b*;returnd;}voidshow(){cout<<'('<};voidmain(){BBx(2,6),y(5,5),z;z=x+y;();z=x-y;();}7.(7)#include<>classEX{intx,y;public:EX(inti=0,intj=1){x=i;y=j;}EXoperator*(EXz){EXd;=x*;=y*;returnd;}EXoperator/(EXc){EXd;=;=;returnd;}voidshow(){cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
voidshow(){cout<};voidmain(){Aa;();{Ax[2];x[1].show();}();}5.(5)#include<>classA{inta,b; public:A(){a=b=0;cout<A(intaa,intbb){a=aa;b=bb;cout<};voidmain(){Ax,y(10,5);}6.(6)#include<>classBB{inta,b;public:BB(inti=0,intj=1){a=i;b=j;}BBoperator+(BBc){BBd;=a+*10;=b+*10;returnd;}BBoperator-(BBc){BBd;=a*;=b*;returnd;}voidshow(){cout<<'('<};voidmain(){BBx(2,6),y(5,5),z;z=x+y;();z=x-y;();}7.(7)#include<>classEX{intx,y;public:EX(inti=0,intj=1){x=i;y=j;}EXoperator*(EXz){EXd;=x*;=y*;returnd;}EXoperator/(EXc){EXd;=;=;returnd;}voidshow(){cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
{Aa;();
{Ax[2];
x[1].show();
();
5.(5)
classA
{inta,b;
A()
{a=b=0;cout<A(intaa,intbb){a=aa;b=bb;cout<};voidmain(){Ax,y(10,5);}6.(6)#include<>classBB{inta,b;public:BB(inti=0,intj=1){a=i;b=j;}BBoperator+(BBc){BBd;=a+*10;=b+*10;returnd;}BBoperator-(BBc){BBd;=a*;=b*;returnd;}voidshow(){cout<<'('<};voidmain(){BBx(2,6),y(5,5),z;z=x+y;();z=x-y;();}7.(7)#include<>classEX{intx,y;public:EX(inti=0,intj=1){x=i;y=j;}EXoperator*(EXz){EXd;=x*;=y*;returnd;}EXoperator/(EXc){EXd;=;=;returnd;}voidshow(){cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
A(intaa,intbb)
{a=aa;b=bb;cout<};voidmain(){Ax,y(10,5);}6.(6)#include<>classBB{inta,b;public:BB(inti=0,intj=1){a=i;b=j;}BBoperator+(BBc){BBd;=a+*10;=b+*10;returnd;}BBoperator-(BBc){BBd;=a*;=b*;returnd;}voidshow(){cout<<'('<};voidmain(){BBx(2,6),y(5,5),z;z=x+y;();z=x-y;();}7.(7)#include<>classEX{intx,y;public:EX(inti=0,intj=1){x=i;y=j;}EXoperator*(EXz){EXd;=x*;=y*;returnd;}EXoperator/(EXc){EXd;=;=;returnd;}voidshow(){cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
{Ax,y(10,5);}
6.(6)
classBB
BB(inti=0,intj=1){a=i;b=j;}
BBoperator+(BBc)
{BBd;
=a+*10;=b+*10;
returnd;}
BBoperator-(BBc)
=a*;=b*;
voidshow()
{cout<<'('<};voidmain(){BBx(2,6),y(5,5),z;z=x+y;();z=x-y;();}7.(7)#include<>classEX{intx,y;public:EX(inti=0,intj=1){x=i;y=j;}EXoperator*(EXz){EXd;=x*;=y*;returnd;}EXoperator/(EXc){EXd;=;=;returnd;}voidshow(){cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
{BBx(2,6),y(5,5),z;
z=x+y;();
z=x-y;();
7.(7)
classEX
{intx,y;
EX(inti=0,intj=1){x=i;y=j;}
EXoperator*(EXz)
{EXd;
=x*;=y*;
EXoperator/(EXc)
=;=;
{cout<<'('<};voidmain(){EXa(30,10),b(2,5),c;c=a*b;();c=a/b;();}8.(8)#include<>classPoint{intx,y;public:Point(){x=1;y=1;}~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
{EXa(30,10),b(2,5),c;
c=a*b;
c=a/b;
8.(8)
classPoint{
intx,y;
Point(){x=1;y=1;}
~Point(){cout<<"Point"<};voidmain(){Pointa;}9.(9)#include<>#include<>intcount=0;classPoint{intx,y;public:Point(){x=1;y=1;count++;}~Point(){count--;}};voiddisplay(){cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
Pointa;
9.(9)
intcount=0;
classPoint
Point(){x=1;y=1;count++;}
~Point(){count--;}
};
voiddisplay()
cout<<"Thereare"<}voidmain(){Pointa;display();{Pointb[5];display();}display();}10.(10)#include<>classEX1{inta,b; public:EX1(){a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
{Pointa;
display();
{Pointb[5];display();}
10.(10)
classEX1
EX1()
{a=b=1;cout<EX1(intaa,intbb=100){a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
EX1(intaa,intbb=100)
{a=aa;b=bb;cout<};voidmain(){EX1x,y(10,2);EX1z(200);}11.(11)#include<>#include<>classCsample{inti;public:Csample(){cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
EX1x,y(10,2);
EX1z(200);}
11.(11)
classCsample
{inti;
Csample()
{cout<<"constructor1"<Csample(intval){cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
Csample(intval)
{cout<<"Constructor2"<voidDisplay(){cout<<"i="<~Csample(){cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
voidDisplay()
{cout<<"i="<
~Csample()
{cout<<"Destructor"<};voidmain(){Csamplea,b(10);();();}12.(12)#include<>classCsample{private:inti;staticintk;public:Csample();voidDisplay();};intCsample::k=0;Csample::Csample(){i=0;k++;}voidCsample::Display(){cout<<"i="<}voidmain(){Csamplea,b;();();}13.(13)#include<>#include<>structA{charc[20];floatf;};voidf(A&t){strcpy(,”MALIANG”);=;}voidmain(){Az={“LIMING”,};f(z);cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
Csamplea,b(10);
12.(12)
private:
inti;
staticintk;
Csample();
voidDisplay();
intCsample:
:
k=0;
Csample:
i=0;
k++;
voidCsample:
Display()
cout<<"i="<
Csamplea,b;
13.(13)
structA
charc[20];floatf;};
voidf(A&t)
strcpy(,”MALIANG”);
=;}
{Az={“LIMING”,};
f(z);
cout<<<<'\t'<<<}14.(14)#include<>classCsample{inti;public:Csample();voidDisplay();~Csample();};Csample::Csample(){cout<<"Constructor"<<",";i=0;}voidCsample::Display(){cout<<"i="<Csample::~Csample(){cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
14.(14)
~Csample();
{cout<<"Constructor"<<",";i=0;}
{cout<<"Destructor"<voidmain(){Csamplea;();}15.(15)#include<>classbase{public:voidshow(){cout<<"调用基类函数show().\n";}};classderived:publicbase{public:voidshow(){cout<<"调用派生类函数show().\n";}};voidmain(){basea1;();deriveda2;();}16.(16)#include<>classROOT{public:intsmall;ROOT(intn=2){small=n;}voidshowsmall(){cout<<"small="<};classCder1:publicROOT{public:Cder1(intm):ROOT(m){}};classCder2:publicROOT{public:intsmall;Cder2(intn=0){small=n;}};voidmain()
{Csamplea;
15.(15)
classbase
{public:
voidshow(){cout<<"调用基类函数show().\n";}
classderived:
publicbase
voidshow(){cout<<"调用派生类函数show().\n";}
{basea1;
deriveda2;
16.(16)
classROOT
intsmall;
ROOT(intn=2){small=n;}
voidshowsmall(){cout<<"small="<
classCder1:
publicROOT
Cder1(intm):
ROOT(m){}
classCder2:
Cder2(intn=0){small=n;}
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