Backend Logic Classes and Objects

Ana Oprea

IT Consultant

Table of contents

• My professional and personal background

• べんとう

• Bento Box Example

• Backend

• Object Oriented Programming

• Classes

• Objects

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Professional and personal background

• Bachelor in CS, University Politehnica of Bucharest

• MSc in IT Security, Eurecom TélécomParisTech, France

• Work experience: Network Administrator, Teaching Assistant, Software Developer; IT Consultant

• Hobbies: travelling, mountaineering, skiing

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べんとう

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Bento Box Example

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Oracle

SQLite PostgreSQL

HBase

Apache Tomcat

Python

Java C

Ruby

Javascript HTML5 CSS

Backend

• Behind the scenes

• Logic of the application

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Object Oriented Programming

• Object : fields and methods

– Data encapsulation – Inheritance

– Modularity

• Languages: Java, Python, C++, Ruby, Scala

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Classes

class Bicycle:

# building a bike

def initialize(start_speed=0)

@speed = start_speed

end

# how the bike works

def go_faster(increment):

@speed += increment

end

def go_slower(decrement):

@speed -= decrement

end

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Objects

city_bike = Bicycle.new()

city_bike.go_faster(1)

mountain_bike = Bicycle.new(4)

mountain_bike.go_slower(3)

mountain_bike.go_faster(4)

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Mulțumesc

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Useful Links

• Introduction to OOP http://www.codeproject.com/Articles/22769/Introduction-to-Object-Oriented-Programming-Concep

• The Java Tutorials http://docs.oracle.com/javase/tutorial/java/concepts/index.html

• The Python Tutorial http://docs.python.org/2/tutorial/index.html

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