Duplicate code adds unnecessary bulk to the class. Java provides a way to avoid this duplication by offering this() syntax for having one constructor call another: class Book { // ... Book(String ...

How to call the application class loader public ... correctly and that classloading conflicts are avoided. Java class loaders keep different versions of the same class in separate namespaces ...

It should only be called by other classes via the classes' public interface. Class calls ... Another issue that can arise is that it becomes more difficult for a developer to refactor classes to a ...

The entry point of a standalone Java application is the main method or function. In the age of Servlets and JSPs, Java’s main function took a backseat to these technologies that were initialized with ...