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How to write a function template
A function template should be written at the beginning of the program in the global area, or you may place it into a header file. All function templates begin with a template declaration.
The syntax is :
1. the keyword class ( this usage of class has nothing to do with the key word class used to make user-defined type.)
2. a variable that shows some generic type, and will be used whenever this type requires to be written in the function definition. Typically the name T is used, but any valid C++ name will do.
e.g.
template < class T>
T max(char x, char y)
{
return ( x > y) ? x : y ;
}
void main()
cout << max( 1,2) << endl;
cout << max( 5.62,3.48) << endl;
cout << max('A','a') << endl;
cout << max( 4,3) << endl;
The output is :
2
5.62
a
6
Mixed Mode Expressions and Implicit type Conversions A mixed mode expression is one in which the operands are not of the similar type. In this case, the operands are converted
What if one can''t wrap the local in an artificial block?
A: They are following: Const: point out that memory once initialized, must not be modify through a program. Volatile: denote that value in the memory location can be modified
Define inheritance?
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Receive 3 numbers and display them in ascending order from smallest to largest ed#
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