From Bento Box to BackEnd by Ana Oprea

1. Backend Logic
Classes and Objects
Ana Oprea
IT Consultant

2. 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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3. 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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4. べんとう
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5. Bento Box Example
Python
PostgreSQL
HBase
Java
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C
SQLite
Oracle
Javascript
Apache
Ruby
HTML5
CSS
Tomcat
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6. Backend
• Behind the scenes
• Logic of the application
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7. Object Oriented Programming
• Object : fields and methods
– Data encapsulation
– Inheritance
– Modularity
• Languages: Java, Python, C++, Ruby, Scala
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8. 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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9. 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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10. Mulțumesc
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11. Useful Links
• Introduction to OOP
http://www.codeproject.com/Articles/22769/I
ntroduction-to-Object-OrientedProgramming-Concep
• The Java Tutorials
http://docs.oracle.com/javase/tutorial/java/co
ncepts/index.html
• The Python Tutorial
http://docs.python.org/2/tutorial/index.html
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