QUIZ - Tarleton State University

QUIZ

What are 3 differences between C and C++ const variables?

Solution

QUIZ

Source:

Solution

The C/C++ preprocessor substitutes "mechanically", from top to bottom inside the file. On the left, the occurrences of i inside main are both replaced by 20, whereas on the right they are both replaced by 30. Note that the compiler "sees" and empty function fun in both cases!

QUIZ: Pointer to function

What is wrong in this program?

Solution

The compiler expects ptr to point to a specific type of function ? one with a char as the first argument. Instead, when ptr is used to access func, the first argument is an int!

Note below that the C++ compiler is more strict than the C compiler (as expected):

Ch. 4: Data Abstraction

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The only way to get massive increases in productivity is to leverage off other people's code. That is, to use libraries.

One of the primary design goals of C++ is to make library use easier.

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