以下程序中,错误的行为是( )。 ①#includeiostream.h ②class A ③{ ④public: ⑤ int n=2; ⑥ A(int val){coutvalendl;} ⑦ -A{}; ⑧}; ⑨void main ⑩{ ? A a(0); ?}A.⑤B.⑥C.⑦D.?
以下程序中,错误的行为是( )。 ①#include<iostream.h> ②class A ③{ ④public: ⑤ int n=2; ⑥ A(int val){cout<<val<<endl;} ⑦ -A{}; ⑧}; ⑨void main ⑩{ ? A a(0); ?}
A.⑤
B.⑥
C.⑦
D.?
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以下程序中,错误的行为①include ②class A③{④public:⑤int n=2;⑥A(int val){cout 以下程序中,错误的行为 ①#include < iostream.h > ②class A ③{ ④ public: ⑤ int n=2; ⑥ A(int val){cout << val<<end1;} ⑦ ~A( 0{}; ⑧}; ⑨void main( 0 ⑩{ (11) Aa(0); (12)A.⑤B.⑥C.⑦D.(11)
以下程序中,错误的行为 ① include ② class A ③ { ④ public: ⑤ int n=2; ⑥ A(int va 以下程序中,错误的行为① #include<iostream.h>② class A③ {④ public:⑤ int n=2;⑥ A(int val) {cout < < val < < endl;}⑦ ~A( ) {};⑧ };⑨ void main( )⑩ {(11) A a (0) ;(12) }A.⑤B.⑥C.⑦D.⑩
有以下程序:include using namespace std; class Base { public: Base() { K=0; } int 有以下程序:include<iostream>using namespace std;class Base{public:Base(){K=0;}int x;};class Derivedl:virtual public Base{public:Derivedl(){x=10;}};class Derived2:virtua1 public Base
以下程序的执行结果为()。include class Sample{int n;public:Sample(int i) {n=i;} 以下程序的执行结果为( )。 #include <iostream.h> class Sample { int n; public: Sample(int i) {n=i;} operator++() {n++;} //前缀重载运算符 operator++(int) {n+=2;} //后缀重载运算符 void disp() { cout<<"n="<<n<<endl; } }; void main() { Sample A(2),B(2); A++; ++B; A.disp(); A.disp(); }A.n=4B.n=1C.n=3D.n=5 n=3 n=2 n=4 n=6
以下程序中,错误的行为①include②class A③{④public:⑤int n=2;⑥A(int val){cout 以下程序中,错误的行为①#include<iostream.h> ②class A ③{ ④ public: ⑤ int n=2; ⑥ A(int val){cout<<val<<end1;} ⑦ ~A(){}; ⑧}; ⑨void main() ⑩{ (11) A a(0); (12)}A.⑤B.⑥C.⑦D.(11)
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00330038003000301585067361821下列程序段执行结果是___________。 x = 1 print(type(x)) x = 1.0 print(type(x)) x = '1.0' print(type(x)A.<class 'int'> <class 'float'> <class 'str'>B.<class 'float'> <class 'int'> <class 'str'>C.<class 'str'> <class 'float'> <class 'int'>D.<class 'str'> <class 'int'> <class 'float'>
下列程序段执行结果是___________。 x = 1 print(type(x)) x = 1.0 print(type(x)) x = '1.0' print(type(x)A.<class 'int'> <class 'float'> <class 'str'>B.<class 'float'> <class 'int'> <class 'str'>C.<class 'str'> <class 'float'> <class 'int'>D.<class 'str'> <class 'int'> <class 'float'>