Numerical Literal in Code (NLC)

Description:

It is suggested to replace literal numbers with symbolic constants. It is acceptable to hard code -1, 0, and 1.

Incorrect:

function PotentialEnergy(mass,height: double):double;
begin
    result := mass * 9.81 * height;
end;

Correct:

const G:Double = 9.81;
...
function PotentialEnergy(mass,height: double):double;
begin
    result := mass * G * height;
end;

Refactoring:

• Replace Magic Number with Symbolic Constant