网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

以下类定义中可能会引起错误的语句是

class A

{

public:

~A( ){ } //1

int i; //2

private:

int j; //3

A(int i) {i++;} //4

};

A.1

B.2

C.3

D.4


参考答案

更多 “ 以下类定义中可能会引起错误的语句是class A{public:~A( ){ } //1int i; //2private:int j; //3A(int i) {i++;} //4};A.1B.2C.3D.4 ” 相关考题
考题 若类A和类B的定义如下:includeclass A{int i,j;public:int geti(){return i;}};class 若类A和类B的定义如下: #include<malloc.h> class A { int i,j; public: int geti() { return i; } }; class B:public A { int k; public: void make() { k=i*j; } }; 则上述定义中非法的表达式是( )。A.k=i*jB.int k;C.return i;D.void make();

考题 以下类定义中可能会引起错误的语句是( )。 Class A { public: ~A(){}//1 int i;//2 private: int j;//3 A(int i){i++;}//4 };A.1B.2C.3D.4

考题 以下类定义中可能会引起错误的语句是 class A { public: ~A(){} //1 int i; //2 private: int j //3 A(int i){i++;} //4 };A.1B.2C.3D.4

考题 若类A和类B的定义如下:includeclass A{int i*j;public:int geti(){return i;}};class 若类A和类B的定义如下: #include<malloc.h> class A { int i*j; public: int geti() { return i; } }; class B: public A { int k; public: void make() { k=i*j; } ); 则上述定义中非法的表达式是( )。A.k=i*j;B.int k;C.return i;D.void make();

考题 以下类定义中可能会引起错误的语句是( )。 classA { public: ~A( ){}//1 inti;//2 private: intj;//3 A(inti){i++;}//4 };A.1B.2C.3D.4

考题 以下类定义中可能会引起错误的语句是 class A { public: ~A( ){} //1 int i; //2 private: int j; //3 A(int i){i++;} //4 };A.1B.2C.3D.4

考题 以下类定义中可能会引起错误的语句是 class A { public: ~A(){} //1 int i; //2 private: int j; //3 A(int i){i++;} //4 };A.1B.2C.3D.4

考题 阅读以下说明和Java程序,填写程序中的空(1)~(6),将解答写入答题纸的对应栏内。 【说明】 以下Java代码实现一个简单绘图工具,绘制不同形状以及不同颜色的图形。部分接口、类及其关系如图5-1所示。 【Java代码】 interface?DrawCircle?{? //绘制圆形 public(1) ;}class?RedCircle?implements?DrawCircle?{? ?//绘制红色圆形???????public?void?drawCircle(int?radius,intx,?int?y)??{????????????System.out.println("Drawing?Circle[red,radius:"?+?radius?+",x:"?+?x?+?",y:"?+y+?"]");???????}}class?GreenCircle?implements?DrawCircle?{????//绘制绿色圆形??????public?void?drawCircle(int?radius,?int?x,int?y)?{???????????System.out.println("Drawing?Circle[green,radius:"?+radius+",x:?"?+x+?",y:?"?+y+?"]");??????}}abstract?class?Shape?{????//形状? protected? ? (2)???;? ? public?Shape(DrawCircle?drawCircle)?{? ?this.drawCircle=?drawCircle;? ? ? public?abstract?void?draw();}class?Circle?extends?Shape?{? //圆形? ?private?int?x,y,radius;? public?Circle(int?x,int?y,intradius,DrawCircle?drawCircle)?{? ?(3)???;? this.x?=?x;? ? ? this.y?=?y;? ?this.radius?=radius;? }? ? ?public?void?draw()?{? ? drawCircle.? ?(4)? ?;? ? ? }}public?class?DrawCircleMain?{? public?static?void?main(String[]?args)?{? Shape?redCircle=new?Circle(?100,100,10,? (5) );//绘制红色圆形? Shape?greenCircle=new?Circle(200,200,10,(6) );//绘制绿色圆形? ?redCircle.draw(); greenCircle.draw();? ?}}

考题 阅读下列说明和C++代码,填写程序中的空(1)~(6),将解答写入答题纸的对应栏内。 【说明】 以下C++代码实现一个简单绘图工具,绘制不同形状以及不同颜色的图形。部分类及其关系如图6-1所示。 【C++代码】 #include?#include?using?namespace?std;class?DrawCircle?{??????//绘制圆形,抽象类? ? ? public: (1);//定义参数为?int?radius,?int?x,?inty? ?virtual~DrawCircle()?{?}};class?RedCircle:public?DrawCircle?{????//绘制红色圆形? ? ? ? public: void?drawCircle(intradius,?int?x,?int?y)?{cout??drawCircle?=?drawCircle;? }? ?virtual~shape()?{?}? public:? ?virtual?void?draw()?=?0;};class?Circle:public?Shape?{????//圆形? ? private:? ? ?int?x,y,radius;? ? public:? Circle(int?x,inty,int?radius,DrawCircle?*drawCircle)? (3)? {? this->x?=?x;? ?this->y?=?y;? ? this->radius?=?radius; }? ? ? public:? void?draw(){? drawCircle?-> (4); }};int?main(){Shape?*redCirclenew?Circle(100,100,10,????(5)????);//绘制红色圆形? Shape?*greenCircle=new?Circle(100,100,10, (6)??);//绘制绿色圆形redCircle >draw();? ?greenCircle?->draw();? ?return?0;}