class ThreadBoth extends Thread implements Runnable { public void run(){ System.out.print("hi "); } public static void main(String [] args){ Thread t1 = new ThreadBoth(); Thread t2 = new Thread(t1); t1.run(); t2.run(); } } 结果为:()
第1题:
下面程序输出的结果为
#include"iostream.h"
class A
{
public:
A( ){cout<<"CLASS A"<<endl;}
~A( ){}
};
class B:public A
{
public:
B( ){cout<<"CLASS B"<<endl;}
~B( ){}
};
void main( )
{
A*p;
p=new B;
B *q;
q=new B;
}
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A CLASS B CLASS A CLASS B
D.CLASS A CLASS B CLASS B CLASS B
第2题:
A. Class A
B. Class B
C. Class C
D. Class D
第3题:
将当前表文件内容复制到工资.DBF中的命令是______。
A.COPY TO工资
B.COPY FILE TO工资
C.COPY STRU TO工资
D.COPY STRU EXTE TO工资
第4题:
A. stub
B. the autonomous system of an exte rior gateway protocol (EGP)
C. NSSA
D. totally stubby
E. the autonomous system of a different interior gateway protocol (IGP)
F. area 0
第5题:
下面程序输出的结果为( )。 #inClUde”iostream.h” Class A {public: A(){cout<<“CLASS A”<<endl;} ~A()<)}; class B:public A {public: B(){cout<<”CLASSB”<<endl;} ~B(){}}; void main() {A*p; p=new B; B *q; q=new B;}
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A ClASS B
D.CLASS A CLASS B CLASS A CLASS B CLASS B CLASS B
第6题:
Class a = new Class(); Class b = new Class();
if(a == b) returns true or false, why?
第7题:
下面程序输出的结果为 #include"iostream.h” class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASS B"<<endl;} ~B(){} }; void main() { A*p; p=new B;
A.CLASS A CLASS B CLASS B CLASS B
B.CLASS A CLASS B CLASS A CLASS B
C.CLASS A CLASS B CLASS B
D.CLASS A CLASS B
第8题:
下面程序输出的结果为 #include"iostream.h" class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASSB"<<endl;} ~B() {} }; void main() { A * p; p=new B; B *q; q=new B; }
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A CLASS B CLASS A CLASS B
D.CLASS A CLASS B CLASS B CLASS B
第9题:
对于下面( )类定义,可以通过“newJ_Class()”生成类J_Class的实例对象。
A、publicclassJ_Class{
publicJ_Class(void){}
}
B、publicclassJ_Class{}
C、publicclassJ_Class{
publicJ_Class(Strings){}
}
D、publicclassJ_Class{
publicvoidJ_Class(){}
publicJ_Class(Strings){}
第10题:
Which statement is NOT true concerning the stowage of class 1 explosives ________.
A.Class 1.1 explosives may be stowed with class 9 dangerous substances
B.Class 1.4 explosives must be“separated from”a stow of class 5.1 oxidizing materials
C.Class 1.4 explosives may not be stowed in the same hold with class 6.1 poisons
D.Class 1.4 explosives must be“separated from”a stow of class 8 corrosive materials