Write a class definition for the subclass LawSchool that contains:

a $($default$)$ constructor that invokes the superclass constructor with the value $3($law school is typically a three year program$).$

a $($overridden$)$ method graduationRequirements that returns the string $"3$ years of study and passing the bar". You MUST invoke the graduationRequirements method of the superclass in this method $($to obtain the first portion of the resulting string$).$