Procedures, Parameters & Sub-Programs
Procedures, Parameters & Sub-Programs
In any modern programming language, procedures play a vital role in the
construction of any new software. These days, procedures are used instead of
the old constructs of GOTO and GOSUB, which have since become obsolete.
Procedures provide a number of important features for the modern software
engineer:-
Programs are easier to write. Procedures save a large amount of time during
software development as the programmer only needs to code a procedure once, but
can use it a number of times. Procedures are especially useful in recursive
algorithms where the same piece of code has to be executed over and over again.
The use of procedures allows a large and complex program to be broken up into a
number of much smaller parts, each accomplished by a procedure. Procedures also
provide a form of abstraction as all the programmer has to do is know how to
call a procedure and what it does, not how it accomplishes the task.
Programs are easier to......
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