This guide explains the basic structure of a Java program. Java is a widely-used programming language that is class-based, object-oriented, and designed to have as few implementation dependencies as ...

* A java program can contain any number of class but atmost only one class can be declared as public. * If there is no public class then we can use any name for a java program there is no restrictions ...

Abstract: Softwares evolve and continue to change during their life cycle in order to satisfy new requirements. Such evolution has a cost which depends on the degree of maintenance complexity and ...