A.Fraction operator+(Fraction,Fraction);
B.Fraction operator-(Fraction);
C.Fraction& perator=(Fraction&,Fraction);
D.Fraction& operator+=(Fraction&,Fraction);
[单选题]下面是重载为非成员函数的运算符函数原型,其中错误的是( )。A.Fractionoperator+(Fraction,Fraction);B.Fra
[单选题]下面是重载为非成员函数的运算符函数原型,其中错误的是A. . Fraction operator + (Fraction, Fraction);B. . Fraction operator - (Fraction);C. . Fraction& perator = (Fraction&, Fraction);D. . Fraction& operator += (Fraction&, Fraction);
[单选题]下列是重载为非成员函数的运算符函数原型,其中错误的是( )。A.Fraction operator+(Fraction,Fraction);B.Fraction operator-(Fraction);C.Fraction&operator=(Fraction&,Fraction);D.Fraction&operator+=(Fraction&,Fraction);
[单选题]下列是重载为非成员函数的运算符函数原型,其叶错误的是()。A.Fraction operator+(Fraction,Fraction);B.Fraction operator-(Fraction);C.Fraction&operator=(Fraction&,Fraction);D.Fraction&operator+=(Fraction&,Fraction);
[单选题]将运算符“+”重载为非成员函数,下列原型声明中,错误的是( )。A.MyClock operator+(MyClock,long);B.MyClock operator+(MyClock,MyClock);C.MyClock operator+(long,long);D.MyClock operator+(long,MyClock);
[单选题]将运算符“+”重载为非成员函数,下列原型声明中,错误的是( )。A.MyClockoperator+(MyClock,long);B.MyClock
[单选题]( 33 )将运算符 “ + ” 重载为非成员函数,下列原型声明中,错误的是A. ) MyClock operator + (MyClock,long);B. ) MyClock operator + (MyClock,MyClock);C. ) MyClock operator + (long,long);D. ) MyClock operator + (long,MyClock);
[单选题]( 14 )将前缀运算符 “ -- ” 重载为非成员函数,下列原型中,能正确用于类中说明的是A. ) Decr& operator --(int);B. ) Decr operator --( Decr&,int);C. ) friend Decr& operator --(Decr&);D. ) frlend Decr operator --(Decr&,int);
[单选题]在重载运算符函数时,下面运算符必须重载为类的成员函数的是( )。A.+B.-C.++D.->
[单选题]在重载运算符函数时,下面( )。运算符必须重载为类成员函数形式。A.+B.-C.++D.->