The default constructor in Java takes no arguments -- it simply initializes reference types to null and primitive types to the binary equivalent of zero. That means instance variables are assigned as ...

That's why most Java classes provide non-default constructors, also known as parameterized constructors. For example, we might want the calling program to tell us if the car is a stick shift or not.

import dustin.examples.overridable.Employee.JobTitle; import static java.lang.System.out; /** * Simple driver of the demonstration of why calling an overridable method in * the constructor of an ...