allows you to make
comparisons in a program.
relational operator
Relational Operators
== equal to
!= not equal to
< less than
<= less than or equal to
> greater than
>= greater than or equal to
In C++, the symbol ==, which consists of two equal signs, is called the
equality operator.
the symbol = is called the
assignment operator
For char values, whether an expression using relational operators evaluates to true or false
depends on a machine’s
collating sequence.