执行下面程序段的输出结果为( )。 public class Q { public static void main(String argv[]) { int anar[]一new int[5]; System.out.println(anar[0]); } }A.0B.1C.2D.5

执行下面程序段的输出结果为( )。 public class Q { public static void main(String argv[]) { int anar[]一new int[5]; System.out.println(anar[0]); } }

A.0

B.1

C.2

D.5


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下面程序输出的结果为( )。includeiostream.hclassA{public:A(){cOUt<<CLASSA<<endl;}~A(){}};ClaSSB:publicA{public:B(){cout<<CLASSB<<endl;}~B(){}};voidmain(){A*P;P=newB:B*q:q=newB;}A.CLASSAB.CLASSACLASSBCLASSBCLASSBC.CLASSAD.CLASSACLASSBCLASSBCLASSACLASSBCLASSBCLASSB

在下面程序的横线处填上适当的语句,使程序执行后的输出结果为ABCD。 include using nam 在下面程序的横线处填上适当的语句,使程序执行后的输出结果为ABCD。include<iostream>using namespace std;classA{public:A(){cout<<'A';}};class B:______{public:B(){cout<<'B';}};class C:______{public:C(){cout<<'C';}};class D:public B,public C{public:D(){cout<<'D';}};void main(){D obj;)

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下面程序输出的结果为 #include"iostream.h" class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASSB"<<endl;} ~B() {} }; void main() { A * p; p=new B; B *q; q=new B; }A.CLASS A CLASS BB.CLASS A CLASS B CLASS BC.CLASS A CLASS B CLASS A CLASS BD.CLASS A CLASS B CLASS B CLASS B

下面程序输出的结果为#include"iostream.h"class A{public:A( ){cout<<"CLASS A"<<endl;}~A( ){}};class B:public A{public:B( ){cout<<"CLASS B"<<endl;}~B( ){}};void main( ){A*p;p=new B;B *q;q=new B;}A.CLASS A CLASS BB.CLASS A CLASS B CLASS BC.CLASS A CLASS B CLASS A CLASS BD.CLASS A CLASS B CLASS B CLASS B

在下面程序的横线处填上适当的内容,使程序执行后的输出结果为ABCD。 include usingn 在下面程序的横线处填上适当的内容,使程序执行后的输出结果为ABCD。include <iostream.h>using namespace std;class A{public: A() {cout<<'A';};class B:______{public: B() {cout<<'B';}};class C:______{public: C(} cout<<'C';}};class D:public B, public C{public: D(){cout<<'D';}};void main(){D obj;}

下面程序输出的结果为( )。 includeiostream.hclassA{public: A(){cOUtiostream.hclassA{public:A(){cOUtCLASSAendl;}~A(){}};ClaSSB:publicA{public:B(){coutCLASSBendl;}~B(){}};voidmain(){A*P;P=newB:B*q:q=newB;}A.CLASSBB.CLASSA CLASSB CLASSBC.CLASSA CLASSB CLASSA CLASSBD.CLASSA CLASSB CLASSB CLASSB

在下面程序的横线处填上适当的内容,使程序执行后的输出结果为ABCD。 include using nam 在下面程序的横线处填上适当的内容,使程序执行后的输出结果为ABCD。include<iostream>using namespace std;class A{public: A(){cout<<'A';}};class B:【 】{public:B(){cout<<'B';)};class C:【 】{public;C(){cout<<'C';}};class D:public B,public C{public:D(){cout<<'D';}};void main(){D obi;}

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();? ?}}