Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications ... Although you can initialize an instance field through direct assignment, it ...

Abstract classes and interfaces in Java serve fundamentally ... The template method pattern manipulates instance variables within concrete methods. From an object-oriented programming perspective ...

End of Java serialization tutorial class */ Before you can perform Java object serialization, you first need to create an instance of the class. A call to the the constructor of the class to be ...

In simple terms, the God object is a single Java ... into an interface, or at the very least, turn it into a facade object in which there are no instance variables. The methods in the God object then ...

EJB 3.0 and the Java Data Objects 2.0 offer transparent persistence of plain old Java objects. These POJOs include Java 2 collection classes, interfaces and any defined user class. State changes are ...