When we write program, many time we requirement to comparison of two or more data, in that case we uses relational operators. There are following relational operators as following : 
Operators    Name
    >      Greater than 
    <      Less than
    =      Equals  to
    >=     Greater than equals to
<= Less than equals to
<= Less than equals to
    !=     Not equals to
The syntax of relational expression as :
<data value 1>Relational operator<data value 2>
Example :
10 >= 5
-50 <= 1
0 != 0
 
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