[OOAD] Object Oriented Analaysis & Design - Chapter 1 - Well Designed Apps Rock

 




































Encapsulation doesn't only means to make properties  / member variables as private but it also has some more significance

Encapsulation allows you to group your application into logical parts.

 
 




In order to make the application maintainable we need to make sure that each object is just doing its own job and this is achieved by DELEGATION



Comments

Post a Comment

Popular posts from this blog

[Advance Java] Difference Between Apache and Tomcat

Image
The most prevalent use of the internet today is browsing. People all around the world find information by accessing data from other computers through their browser; but beyond that, people know very little. In order to communicate with the host computer, the browser would need to request pages from a http server that is run on the host computer. It would then be responsible for finding and providing you with the right pages. An excellent and very popular web server around today is the Apache web server. It allows people who want to set-up their own web server to do so with very little trouble. Installing the Apache web server is the most basic thing you can do to support html and other related software. The next step is to install more software that complements the web server like PHP or Tomcat. Tomcat is another piece of software that is meant to enhance the usability and interactive experience that users experience with your website. Because Tomcat is also a serv...
Read more

How to Choose a Technology Stack for Web Application Development

Image
What’s the most important thing to consider when you’re developing a top-notch web application? No doubt it’s the technology stack your app will be based upon.  The choice of a relevant tech stack is particularly challenging for small businesses and startups, since they usually have limited budgets and, thus, need a technology stack that provides the most bang for the buck to get their projects off the ground. The right tech stack is, to a great extent, the key to your project’s success, while the wrong choice of web development technologies may be a reason for failure. We’ve decided to give you a helping hand and reveal the criteria for choosing the most appropriate tech stack for your web application. WHAT IS A TECHNOLOGY STACK FOR WEB DEVELOPMENT Before moving on to the criteria for choosing a modern web technology stack, you should clearly understand what comprises the process of web development. Without going too deep into details, there are two sides to we...
Read more

Regular Expression - An Introduction

Image
What is a regular expression ? "A regular expression is a pattern that is matched against a subject string from left to right" . Well, that was textbook answer. But in simple terms, regular expression is a string used for find and replacing strings in other large strings. You can even say that regular expression (a.k.a  regex  or  regexp ) are fourth generation (4G) wilcards, that we used in the good ol' days of DOS. (But don't say that I said so, otherwise those perl experts are going to bite my head off for this remark. Why ? Because ... regexp are so powerful, yet easy to use, and saying that they are just wilcard, would be an insult.  So i didn't say it, ok ) Why use regular expression ? Hello ... ?!? Are you paying attention. I just said it, they are  powerful  and  easy  to use, that is why! Ok, seriouly, if you are serious about web development, you will have to use them one time or other be it in JavaScript,  PHP ,  P...
Read more