A symbolic constant is defined in the same way as variable. However, after initialization of constants the
assigned value cannot be altered.
The constant can be defined in the following three ways:
(1) # define
(2) The const keyword
(3) The enum keyword
(1) The # define preprocessor directive can be used for defining constants.
# define price 152
In the above example, price symbolic constant contains 152 and here it is not mentioned whether the type
is int, float or char. Every time when the preprocessor finds the word price, substitutes it with 152.
(2) We can also define ...
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