Pr oj ect Repor t – Kat hr i n Schadow- Pohl
OOP – obj ect - or i ent ed pr ogr ammi ng
OOP – object-oriented programming
CONTENT
I nt r oduct i on
Marks & Points (Umweltinformationstechnologie)
Basi cs i n OOP - software for environmental science, agriculture and forestry
objective during my project
Exampl e: - improve programming skills
J oi ni ng Tool object of interest
- botanical gardens weather stations
Di scussi on
Concl usi on
OOP – object-oriented programming
CONTENT cl asses, obj ect s, met hods
Class: abstraction of a thing including its
✗characteristics (attributes or properties)
I nt r oduct i on ✗behaviour (methods, features)
class is the blueprint we work with
Basi cs i n e.g. class dog
attributes: 4 legs, tail, colour, breed
OOP methods: sit, bark, walk
Exampl e: Object: instance (copy) of blueprint
J oi ni ng Tool e.g. object Lassi e
state: 4 long legs, long tail, white and brown, collie
methods: sit, bark, walk
Di scussi on
Methods: abilities of an object (functions)
Concl usi on
e.g. Lassi e. si t ( )
Lassi e. bar k( )
Lassi e. save( chi l d)
OOP – object-oriented programming
CONTENT message passi ng, encapsul at i on, i nher i t ance
I nt r oduct i on Message passing: an object send a message to another object
e.g. Ti mmy. t el l ( Lassi e. si t ( ) )
Basi cs i n
OOP Encapsulation: object conceals functional details of class
e.g. vi l l ai n. t el l ( Lassi e. si t ( ) )
villain is not a FRIEND of Lassie
Exampl e:
J oi ni ng Tool
Inheritance: subclass inherits attributes and methods of parent class
Di scussi on e.g. subclass Col l i e
state: legs, tail, colour
methods: sit, bark, walk, jump
Concl usi on
Lassi e inherits from subclass Col l i e and class dog
OOP – object-oriented programming
CONTENT
I nt r oduct i on
Basi cs i n OOP
Exampl e:
J oi ni ng
Tool
Di scussi on text files
✗ one for every station
✗ one per data transfer
Concl usi on
→ up to 45 text files
for one station
OOP – object-oriented programming
CONTENT
What is the task of the J oi ni ng Tool
I nt r oduct i on ➔ to determine which text file is a member of
one weather station
Basi cs i n OOP ➔ to sort the text files by the last part of name space
(continuous number)
Exampl e: ➔ to get the header for the new file
J oi ni ng
➔ to check if all text files from one station
have the same amount of columns
Tool
➔ to sort data rows by date
➔ to remove data rows with equal date
Di scussi on
➔ to write a new file with header and edited data rows
Concl usi on
OOP – object-oriented programming
CONTENT
Namespace and classes
➔ System
I nt r oduct i on
➔ St r i ng class
➔ I nt 32 Structure
Basi cs i n OOP
➔ Ar r ay class
➔ System.Collections
Exampl e:
➔ Ar r ay Li st class
J oi ni ng ➔ System.IO
Tool ➔ Fi l e class
➔ System.Windows.Forms
Di scussi on ➔ controls (buttons, numeric up down, text boxes
➔ common dialogue box (FolderBrowserDialog)
Concl usi on
OOP – object-oriented programming
CONTENT
I nt r oduct i on
Methods
➔ GetAllFileNamesStartingWith
Basi cs i n OOP ➔ SortFileNames
➔ ReadAllHeaderRows
Exampl e: ➔ CheckEqualAmountOfColumns
J oi ni ng ➔ ReadAllDataRows
Tool
➔ RemoveEqualDate
● WriteNewFile
Di scussi on
Concl usi on
OOP – object-oriented programming
CONTENT
I nt r oduct i on
Basi cs i n OOP
Files of mainfolder
Exampl e: will be diplayed here
J oi ni ng
Tool While running the program
progress and errors will be
displayed
Di scussi on
Concl usi on
Start button will be enabled if
mainfolder and search string are set
OOP – object-oriented programming
CONTENT
I nt r oduct i on
Each pur pose has i t s l anguage
Basi cs i n OOP
Exampl e:
J oi ni ng Tool
Di scussi on A pr ogr am can never be compl et ed
Concl usi on
OOP – object-oriented programming
CONTENT
I nt r oduct i on
good oppor t uni t y t o l ear n somet hi ng
Basi cs i n OOP
about pr ogr ammi ng
Exampl e: &
J oi ni ng Tool
what el se i s needed
Di scussi on t o st and one' s gr ound i n t he wor ki ng wor l d
Concl usi on
Resources
CONTENT
I nt r oduct i on
Basi cs i n OOP http://searchsoa.techtarget.com/sDefinition/0,,sid26_gci212681,00.html
http://en.wikipedia.org/wiki/Programming_paradigm
http://en.wikipedia.org/wiki/Procedural_programming
Exampl e: http://en.wikipedia.org/wiki/Object-oriented_programming
personal discussion with Mr. Marks
J oi ni ng Tool
Di scussi on
Concl usi on
