【单选题】Nimda蠕虫病毒是源于1988年( )蠕虫的派生品种。
【单选题】有如下程序: #include <lostream> using namespace std; class A{ public: A( ){cout<<'A';} ~A( ){cout<<'~A';} }; class B:public A{ A*P; public: B( ){cout<<'B';P=new A( );} ~B( ){cout<<'~B';delete P;} }; int ma...
【简答题】I wish I ________ longer this morning, but I had to get up and come to class. A) could have slept B) slept C) might have slept D) have slept
【简答题】阅读下面程序 public class ConcatTest{ P ublic static void main(String[] args){ S tring str1 = ' abc ' S tring str2 = ' ABC ' S tring str3 = str1.concat(str2) S ystem.out.println(str3) } } 程序的运行结果是 A)abc B)A...
【单选题】有如下程序: #include(iostream) using namespace std; class TestClass{ protected: TestClass(){couti(cout<<‘x’} TestClass(char c){cout<<c;}} class TestClassl:publicTestClass{ public: TestClassl(char c){cout<<...