Foyzul's diary on tech and life

     In this section we will learn about 'How to think in Object Oriented way'.        Objectives       After completing this unit we should be able to:   * Think the real world in object oriented way * Understand what really object and class means * Describe what are attributes and responsibilities of an object.     Topics   In this unit, we will learn about the following topics: * What's wrong with starting of Object Oriented Programming * Philosophy of OOP * Mapping Object Oriented Thoughts to Object Oriented Programming   What's wrong with starting of Object Oriented Programming Unfortunately most of us start Object Oriented Programming (OOP) jumping into a language book like C++, Java or C# etc. But it's not a good start at all. Starting with OOP language book, we may learn writing package/namespace, class, object, interface, etc. But writing class, interface, object etc. does not guarantee good software design. OOP is totally useless if we can't use this c...

       Code Smells By the definition i found in    Wikipedia , code smell is: " In  computer programming ,  code smell  is any  symptom  in the  source code  of a  program  that possibly indicates a deeper problem. " We do mistakes while we code. Its very certain. Some of us know about the smell while we code, others don't. But if someone just avoid the common smells in coding, his/her code will be increased a lot in quality. So, to write a quality code, we must know what are the code smells and we MUST avoid it.  My personal opinion is, don't be a procrastinator in coding. Remove the smells after a single method or at least after completing a feature.  In below these are the code smells that a beginner in coding should know. I will add more explanation to each of the smells in future.  [Black circled point is the name of the smell and while circled point is the solution to remove the smell from ...