From this chapter, I acquire the declared syntaxes of the attributes and the operations. While involving the object visibility, we have four commonly accepted terms used to describe visibility, public, private, protected and package. They have different meanings and suitable extents. Public means the feature directly accessible by an instance of any class, private means the feature may only be
The development of information system usually includes several phases and each of them has its own obligations.
This chapter will help them distinguish them. Analysis is often said to be about the ‘what?’ of a system while design is described as being about the ‘how?’. Although there are some differences between them, there are also some relatives between them; design is about
Each operation specification is a small but necessary step on a path that begins with a user’s ides of a business activity and leads ultimately to a software system made up of collaborating objects with attributes and methods. an operation specification can also be used to verify that the method does indeed meet its specification, which in turn describes what the users intended, thus checking that the requirements have been implemented.