forIinrange(2):print(’hi’)的结果()。
下列程序的输出结果是 ( )#includeusing namespace std;class A{int apublic:A():a(9){}virtual void print() const {cout<};class B:public A{char b;public:B(){b= ‘S’;}void print()const{cout<};void show(Aa&X){X,print()}int main(){ Ad1;*p;Bd2;p=&d2;d1,print();d2,print();p->print();show(d1);show(d2);return 0;}
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现有:classThreadBothextendsThreaaimplementsRunnable{publicvoidrun()(System.out.print("现有:classThreadBothextendsThreaaimplementsRunnable{publicvoidrun()(System.out.print("hi");}publicstaticvoiclmain(String[]args){Threadtl=newThreadBoth():Threadt2=newThread(tl):tl.run():t2.run():}结果为:()A.hihiB.hiC.编译失败D.运行时异常被抛出
下列程序段的执行结果为 a=2 b=0 Select Case a Case 1 Select Case b Case 0 Print " * * 0 * *" Case 1 Print" * * 1 * *" End selec Case 2 Print " * * 2 * *" End SelectA.* * 0 * *B.* * 1 * *C.* * 2 * *D.0
下列程序的输出结果是【】。 include using namespace std; class A {int a; public:A()下列程序的输出结果是【 】。include <iostream>using namespace std;class A {int a;public:A():a(9){}virtual void print() const { cout<<a;};};class B: public A {char b;public:B( ){b='S';}void print() const {cout<<b;}};void show(A &x){ x.print0;}int main(){ Ad1,*p;B d2;p=&d2;d1.print();d2.print0;p->print();show(d1);show(d2);return 0;}
下列程序的运行结果为【 】。A="1"B="2"A=Val(A) +Val(B)B=Val("12")If A<>B Then Print A-B Else Print B-A
语句Print Sgn(-6^2)+Abs(-6^2)+Int(-6^2)的输出结果是( )。A.-36B.1C.-1S语句Print Sgn(-6^2)+Abs(-6^2)+Int(-6^2)的输出结果是( )。A.-36B.1C.-1D.-72
下列语句的输出结果是______。 (说明:'\b'是退格符)printf("a\bre\'hi\'y\\\bou\n");A.a\bre\'hi\'y\\\bouB.a\bre\'hi\'y\bouC.re'hi'youD.abre'hi'y\bou