This Java tutorial teaches you how to declare ... Calling a method on an object is equivalent to sending a message to the object. The name of the method and its arguments are conceptualized ...

Classes and objects in Java must be initialized before they are ... Using the constructor to initialize an object class City { private String name; int population; City(String name, int population ...

We'll follow the same Java Bean pattern and define the domain ... OldPerson person = (OldPerson) o; return Objects.equals(name, person.name) && Objects.equals(birthday, person.birthday ...