题目内容
（请给出正确答案）
写出程序的输出结果
public abstract class A
{
public A()
{
Console.WriteLine('A');
}
public virtual void Fun()
{
Console.WriteLine("A.Fun()");
}
}
public class B: A
{
public B()
{
Console.WriteLine('B');
}
public new void Fun()
{
Console.WriteLine("B.Fun()");
}
public static void Main()
{
A a = new B();
a.Fun();
}
}
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更多“写出程序的输出结果public abstract class…”相关的问题
写出程序的输出结果
public abstract class A
{
public A()
{
Console.WriteLine('A');
}
public virtual void Fun()
{
Console.WriteLine("A.Fun()");
}
}
public class B: A
{
public B()
{
Console.WriteLine('B');
}
public new void Fun()
{
Console.WriteLine("B.Fun()");
}
public static void Main()
{
A a = new B();
a.Fun();
}
}
写出程序的输出结果：
public class A
{
public virtual void Fun1(int i)
{
Console.WriteLine(i);
}
public void Fun2(A a)
{
a.Fun1(1);
Fun1(5);
}
}
public class B : A
{
public override void Fun1(int i)
{
base.Fun1 (i + 1);
}
public static void Main()
{
B b = new B();
A a = new A();
a.Fun2(b);
b.Fun2(a);
}
}
阅读下面程序，写出输出结果。
#include using namespace std ; class A { int a, b; public : A() { a = b = 0; }
A(int aa, int bb) { a = aa; b = bb; cout ＜＜ a ＜＜ ' ' ＜＜ b ＜＜ endl ; } }; int main() { A x, y(2,3);
return 0; }
请写出如下程序的输出结果：
#include class R{public:R(int r1,int r2) {R1=r1;R2=r2;}void print();
void print() const;private:int R1,R2;};void R::print(){cout＜＜ R1＜＜ ":"＜＜ R2＜＜ endl;
}void R::print() const{cout＜＜ R1＜＜ ";"＜＜ R2＜＜ endl;}void main(){R a(5,4);a.print();
const R b(20,52);b.print();}
写出以下程序的运行结果。public class Test2 {public static void main(String args[ ]){int i,j;int a[]={17,91,65,35,28};for (i = 0; i ＜ a.length-1; i++ ) {int k = i;for(j = i; j ＜ a.length; j++ )if (a[j]＞a[k] )k = j;int temp =a[i];a[i] = a[k];a[k] = temp;}for (i =0; i＜a.length; i++ )System.out.print(a[i]+" ");System.out.println();} }
class A
{
int a;
A(int b)
{a=b;}
void show()
{System.out.println(“a=”+a);}
}
public class Class1
{
public static void main (String args[])
{
A bj=new A(12345);
boolean b=false;
char ch=97;
obj.show();
System.out.println(“b=”+b+”/tch=”+ch);
}
}
A.Not equal
B.Equal
C.无输出
D.编译出错
A.编译失败
B.编译通过，没有结果输出
C.输出：除法正常运行
D.输出：除数不能为0
A.有错误，变量i没有初始化。
B.null
C.1
D.0
