January 2014
Intermediate to advanced
352 pages
8h 21m
English
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7
INHERITANCE: EXTENDING CLASSES
7.1 INTRODUCTION TO CODE REUSE
Almost all programming languages support functions that allow a piece of code to be reused again and again in a calling program. However, functions provide rather limited support for code reuse. In object-oriented programming (OOP), code reuse is a central feature. In fact, we can reuse the code written in a class in another class by either of the two mechanisms given below:
- Containership
- Inheritance
7.2 CONTAINERSHIP
In day-to-day life, we come across objects which are composed of other objects. For instance, a computer is composed of objects like motherboard, hard disk, CD-ROM drive, monitor, etc. The motherboard contains a CPU and other components. The CPU contains ALU, CU and ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.