下列程序的输出结果是( )。 public class ArrayTest { public static void main(String args[]) { int[]intArray=new int[3] for(int i=0;i<3;i++) { intArray[i]=i+2: system.out.println("lntArray["+i+"]¨= intArray[i]); } System.out.println("----------"); int arrlen=4: IntArray=new int[arrLen]; For(int j=intArray.length;j>=0;j--) { intArray[j]=j*3; system.out.println("hello"+intArray[j]); } } }
A.编译未通过
B.编译通过,但运行错误
C.可以运行,但有错误
D.以上都不对
第1题:
第2题:
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
第3题:
程序的输出结果是【 】。
include <iostream>
using namespace std;
class A{
int x;
public:
A(int x=1):x(x){cout<<x;}
};
void main(){
A a,b(2),c(3);
}
第4题:
第5题:
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.CBA
B.ABC
C.ACB
D.BCA
第6题:
如下程序的输出结果是 #include<iostream> using namespace std; class A{ public: A( ){cout<<"A";} }; class B{public:B( ){cout<<"B";}}; class C:public A{ B b; public: C( ){cout<<"C";} }; int main( ){C obj;return 0;}
A.CBA
B.BAC
C.ACB
D.ABC
第7题:
请将下列程序的横线处补充完整,使得输出结果为bbaa
include<iostream>
using namespace std;
class A{
public:
______{cout<<"aa";}
};
class B:public A{
public:
~B(){cout<<"bb";}
};
int main(){
B*p=new
第8题:
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::data
void main(void)
{
SomeClass my_class(1001),your_class(2002);
your_class. set_data(4004);
my_elass. show_data()
}
第9题:
下面程序的结果是 ______。 #include<iostream.h> class A{ public: virtual void fun()=0{}; }; class B:public A{ public: void fun () {cout<< "new file" ;} }; class C: public A{ public: void fun (){cout<<"open file"<< " " } }; class D: public A{ public: void fun () {cout<< "save file\n" ;} }; void main() { A a,*p; B b; C c; D d; p=&c; p->fun (); p=&b; p->fun (); p=&d; p->fun(); }
A.new file open file save file
B.new file new file new file
C.编译出错
D.open file new file save file
第10题: