题目内容
（请给出正确答案）
在下面的例子里
using System;
class A
{
public A()
{
PrintFields();
}
public virtual void PrintFields(){}
}
class BA
{
int x=1;
int y;
public B()
{
y=-1;
}
public override void PrintFields()
{
Console.WriteLine(x={0},y={1},x,y);
}
当使用new B()创建B的实例时，产生什么输出？
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更多“在下面的例子里 using System; class A …”相关的问题
在下面的例子里
using System;
class A
{
public A(){
PrintFields();
}
public virtual void PrintFields(){}
}
class B:A
{
int x=1;
int y;
public B(){
y=-1;
}
public override void PrintFields(){
Console.WriteLine("x={0},y={1}",x,y);
}
当使用new B()创建B的实例时，产生什么输出？
下面的例子中
using System;
class A
{
public static int X;
static A(){
X=B.Y+1;
}
}
class B
{
public static int Y=A.X+1;
static B(){}
static void Main(){
Console.WriteLine("X={0},Y={1}",A.X,B.Y);
}
}
产生的输出结果是什么？
下面的代码中有什么错误吗？_______
using System;
class A
{
public virtual void F(){
Console.WriteLine("A.F");
}
}
abstract class B:A
{
public abstract override void F();
}
下面的代码中有什么错误吗？_______
using System;
class A
{
public virtual void F(){
Console.WriteLine("A.F");
}
}
abstract class B:A
{
public abstract override void F();
A.The operating system
B.IIS
C.The GINA
D.The SSL Service
A.no Purchases account is use
B.a Cost of Goods Sold account is use
C.two entries are required to record a sal
D.all of thes
E.
A./windows
B./winnt
C./winnt4.0
D./program files
B.In the GSM system, there should be an interval of 3 timeslots for the mobile station to receive and send signals.
C.The GSM system provides encryption measures. The encryption sequence is generated by the encryption key Kc and frame. number through the A8 algorithm.
D.The multiple access mode of GSM is the combination of FDMA and CDMA
A.State of Authority (SOA)
B.Address (A)
C.Pointer (PTR)
D.Canonical Name (CNAME)
