下列程序的输出结果是( )。 public class c3 { public static void main(String args[]) { char c1='B'，c2='C'; if(c1+1＜c2) ++C1; System.out.println(c1); } }A．BB．bC．CD．c
下列程序的输出结果是( )。 public class c3 { public static void main(String args[]) { char c1='B'，c2='C'; if(c1+1＜c2) ++C1; System.out.println(c1); } }
A．B
B．b
C．C
D．c
相关考题：
有如下程序: include using namespaee std;class Animal{ public: virtual char*g 有如下程序：include＜iostream＞using namespaee std；c lass Animal{public：virtual char*getType( )const{return"Animal"；}virtual char*getVoice( )const{return"Voice"；}}；class Dog：public Animal{public：char*getType( )const{return"Dog"；}char*getVoice( )eonst{return"Woof"；}}；void type(AnimalA) {cout＜＜a．getType( )；}void speak(Animal A) {eout＜＜a．getVoice( )；}int main( ){Dog d；type(D) ；cout＜＜"speak"；speak(D) ；cout return 0；}程序的输出结果是______。
下列程序的运行结果是【 】。 include class SomeClass { public: SomeClass(int va 下列程序的运行结果是【 】。include ＜iostream. h＞class SomeClass{public:SomeClass(int value) { some_value=value;};void show_data(void) { cout＜＜data＜＜"＜＜~some_value＜＜endl; };static void set_data(int value) {data=value; }private:static int data;int some_value};int SomeClass::datavoid main(void){SomeClass my_class(1001),your_class(2002);your_class. set_data(4004);my_elass. show_data()}
下列程序的运行结果是______。include class Base { public: void f(int x){cout 下列程序的运行结果是______。include＜iostream.h＞class Base{public：void f(int x){cout＜＜“Base：”＜＜x＜＜endl；})；class Derived：public Base{public：void f(char*str){cout＜＜“Derived：”＜＜str＜＜endl；}}；void main(void){Base*pd＝ne
以下程序的输出结果是【 】。includeincludechar*fun(char*0{ char *p－－t;retur 以下程序的输出结果是【 】。include ＜stdio.h＞include ＜string.h＞char *fun(char *0{ char *p--t;return (p+strlen(t)/2);}main(){ char *str="abcdefgh";str=ftm(str);puts(str);}
以下程序运行后的输出结果是______。includeinclude usingnamespacestd;classY 以下程序运行后的输出结果是______。include ＜iostream＞include ＜string＞using namespace std;class Y;class X{int x;char *strx;public:X(int a, char *str){x=a;strx=new char[strlen(str)+1]strcpy (strx,str);}void show(Y ob);};class Y{prlvate:int y;char *stry;public:Y(int b,char *str){y=b;stry=new char[strlen(str)+1];strcpy(stry,str);}friend void X::show(Y ob);};void X::show{Y ob){cout＜＜strx＜＜",",cout＜＜ob.stry＜＜endl;}int main{{X a (10, "stringX");Y b (20, "stringY");a. show (b);renurn 0;}
已知类 String 的原型为class string{public:string(const char *str=null);//普通构造函数string(const string other);//拷贝构造函数---string(void);string operate=(const string other);//赋值函数private:char * m-data;//用于保存字符串};请编写 string 的上述4 个函数
下面程序的输出结果是()。include using namespace std;class A {public:A( ) {cout 下面程序的输出结果是( )。 #include ＜iostream＞ using namespace std; class A { public: A( ) {cout＜＜"A";} } class B { public: B() {coat＜＜"B" ;} } class C: public A { public: B b; C() {cout＜＜"C";} } void mian(){ C c; }A．CBAB．ABCC．ACBD．BCA
以下程序的输出结果是【 】。includeincludechar*fun(char*t){ char *p=t;retur 以下程序的输出结果是【 】。include ＜stdio.h＞include ＜string.h＞char *fun(char *t){ char *p=t;return (p+strlen(t)/2);}main(){ char *str="abcdefgh";str=ftm(str);puts(str);}
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();? ?}}
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;}