Classes, fields, methods, constructors ... unnecessary bulk to the class. Java provides a way to avoid this duplication by offering this() syntax for having one constructor call another: class ...

Inheritance and composition are two programming techniques developers use to establish the relationship between classes and objects. Whereas inheritance derives one ... Java does not allow ...

Java collection classes allow a developer to keep track of contained items in one of two ways, either by an indexed count or a key. This creates an obvious limitation where multiple values can’t be ...