W3: CLASS TEMPLATES

Question 1

W3-Q1: What is PARAMETRIC POLYMORPHISM?

Answer 1

The relationship that describes an IDENTICAL structure shared by CLASSES or FUNCTIONS

Question 2

W3-Q2: How can we reduce CODE DUPLICATION?

Answer 2

By defining that structure in generic form: Class and function TEMPLATES

Question 3

W3-Q3: What is a TEMPLATE DECLARATION?

Answer 3

is a definition if it defines a function, a class, or a static data member of a class template
_ The compiler uses the code immediately following the template header to define the function, class, or static data member. 
 _ The template's body does NOT extend beyond this definition.

Question 4

W3-Q4: A template parameter may be any combination of?

Answer 4

_ a type template parameter
_ a non-type template parameter
_ a template template parameter

Question 5

W3-Q5: Describe about the TEMPLATE BODY?

Answer 5

_ A template BODY accepts externally specified types through the PARAMETERS in the template HEADER.
_ Parameters serve as PLACEHOLDERS throughout the template body for the ARGUMENTS specified in the template call.

Question 6

W3-Q6: Does a TEMPLATE name have LINKAGE?

Answer 6

_ Yes
_ A non-member function template can have INTERNAL linkage.
_ Any other template name has EXTERNAL linkage.

Question 7

W3-Q7: If the arguments in a function call are AMBIGUOUS in type, what does the compiler require?

Answer 7

an EXPLICIT specification of the type for which to generate the definition.