The Quadratic class

Has three private instance variables a$,$ b $,$ and c corresponding to the coefficients of the quadratic equation: ax$2+$ bx $+$ c $=0$

Has a String variable that contains the comment

Has a single constructor that accepts three parameters corresponding to the $3$ coefficients and calls the appropriate mutator for each parameter

Has a simple mutator and accessor for each coefficient

Has a simple accessor for a comment