Need
for Functions
To
reduce size and complexity of the program we use Functions. The programmers can
make use of sub programs either writing their own functions or calling them
from standard library.
•
Complicated programs can be divided into manageable sub programs called
functions.
•
A programmer can focus on developing, debugging and testing individual
functions.
•
Many programmers can work on different functions simultaneously.
•
Few lines of code may be repeatedly used in different contexts. Duplication of
the same code can be eliminated by using functions which improves the
maintenance and reduce program size.
•
Some functions can be called multiple times with different inputs.
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