Inheritance and composition are two programming techniques developers use to establish the relationship between classes and objects. Whereas inheritance derives one class from another, composition ...

Java’s interface language feature confuses many Java newbies. Many mistakenly assume that interfaces only sidestep Java’s failure to support multiple implementation inheritance. In reality, that ...

Constructors play a key role in all object-oriented programming languages, and Java is no exception. Every class a Java developer creates needs a constructor. Constructors perform numerous important ...