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Define Constant argument:
The argument can be a constant argument. The constant variable cannot be changed inside the function definition when the argument is declared as constant.
void f_const(int x, const int y);
void main( )
{int a10, b=20,c;
c =f_const(a, b); //The value of c is 30
}
int f_ref(int x, const int y)
{ //y=20; // Is invalid because y is declared as constant variable. return (x+y);
void f_const(int x, const int y=100);
{int a=200, b,c;
c =f_const(a); //The value of c is 300
int f_const(int x, const int y)
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Define Pure Virtual Function? Why & when it is used?
Test scores solution help. Three member variables
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
A: Provide a friend operator class Base { public: friend std::ostream& operator ... protected: virtual void printOn(std::ostream& o) const; }; inline std::ostr
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Define Virtual Destructor?
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write a program which has three classes
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