C++ Templates - placement practice test

C++ Templates - placement practice test


1. _________________are used for generic programming

a. Inheritance
b. Virtual Functions
c. templates
d. None of these
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ANSWER: c. templates




2. Which of the following best defines the syntax for template function ?

a. template return_type Function_Name(Parameters)
b. template
return_type Function_Name(Parameters)
c. both a and b
d. None of these
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ANSWER: c. both a and b




3. Which one is suitable syntax for function template?

a. template< class T> return_type Function_Name(parameters)
b. template< typename T> return_type Function_Name(parameters)
c. both and b
d. None of these
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ANSWER: c. both and b
Explanation: Both class and typename keywords can be used alternatively for specifying a generic type in a template.




4. Can we have overloading of the function templates?

a. Yes
b. No
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ANSWER: a. Yes




5. In a program, If there exists a function template with two parameters and normal function say void add(int , int), so add(3,4) will_____________________

a. Invoke function template body as it is generic one
b. Invokes normal function as it exactly matches with its prototype
c. Not be called and Compiler issues warning
d. Not be called and Compiler issues ambiguity in calling add()
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ANSWER: b. Invokes normal function as it exactly matches with its prototype



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