1/ 47 cop 3503 fall 2012 shayan javed lecture 19 programming fundamentals using java 1
TRANSCRIPT
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What you should know
Object-Oriented Programming Inheritance, Abstract Classes, Interfaces,
Polymorphism, How to Design, etc.
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What you should know
Object-Oriented Programming Inheritance, Abstract Classes, Interfaces,
Polymorphism, How to Design, etc. File I/O
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What you should know
Object-Oriented Programming Inheritance, Abstract Classes, Interfaces,
Polymorphism, How to Design, etc. File I/O Searching and Sorting algorithms
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What you should know
Object-Oriented Programming Inheritance, Abstract Classes, Interfaces,
Polymorphism, How to Design, etc. File I/O Searching and Sorting algorithms Basic Data Structures
Arrays, ArrayLists, Stacks, Queues, Linked Lists
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What you should know
Object-Oriented Programming Inheritance, Abstract Classes, Interfaces,
Polymorphism, How to Design, etc. File I/O Searching and Sorting algorithms Basic Data Structures
Arrays, ArrayLists, Stacks, Queues, Linked Lists GUIs
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Sample Interview Questions
What is Polymorphism and why is it useful?
Design a Parking Garage
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Sample Interview Questions
What is Polymorphism and why is it useful?
Design a Parking Garage
Lots of coding questions involving data structures (Linked Lists, Arrays, Trees, Hashmaps, etc.)
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Version Control
Used to keep track of changes within your project. Who made what changes, why, when
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Version Control
Used to keep track of changes within your project. Who made what changes, why, when
Can look at history of changes
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Version Control
Used to keep track of changes within your project. Who made what changes, why, when
Can look at history of changes Can revert to previous version at any time
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Version Control
Used to keep track of changes within your project. Who made what changes, why, when
Can look at history of changes Can revert to previous version at any time
Git and Mercurial – two version control systems
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Version Control
Used to keep track of changes within your project. Who made what changes, why, when
Can look at history of changes Can revert to previous version at any time
Git and Mercurial – two version control systems
GitHub (free website for your repositories) Google Code Repositories
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Version Control
Create an account and store all your projects on there. (For all your future courses too)
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Version Control
Create an account and store all your projects on there. (For all your future courses too)
Also serves as a portfolio
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Version Control
Create an account and store all your projects on there. (For all your future courses too)
Also serves as a portfolio
Look up tutorials online on how to use Git/Mercurial
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Programming Languages
Already know Java.
Will learn C/C++ for next courses. Try to learn it by yourself too (pointers!)
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Programming Languages
Already know Java.
Will learn C/C++ for next courses. Try to learn it by yourself too (pointers!)
But should also try to learn other languages like: Python (used at Google/NASA/IBM), Ruby (Amazon), Perl
(Amazon), Lua (Game Scripting), C# (for Windows), Javascript (Web Programming), Objective-C (Macs, iOS)
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Programming Languages
Task: Open a text file named 'list.txt' Create a list of the lines with more than 5 characters in the text file
Python program:
mylist = list()myfile = open('list.txt')
for line in myfile: if len(line) > 5: mylist.append(line)
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Programming Languages
Task: Open a text file named 'list.txt' Create a list of the lines with more than 5 characters in the text file
Python program:
mylist = list()myfile = open('list.txt')
for line in myfile: if len(line) > 5: mylist.append(line)
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Programming Languages
Task: Open a text file named 'list.txt' Create a list of the lines with more than 5 characters in the text file
Python program: (“long” version)
mylist = list()myfile = open('list.txt')
for line in myfile: if len(line) > 5: mylist.append(line)
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Programming Languages
Task: Open a text file named 'list.txt' Create a list of the lines with more than 5 characters in the text file
Even shorter version:
mylist = [line for line in open('list.txt') if len(line) > 5]
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Linux
Very useful to be proficient at the Linux (or Mac) command line.
High-learning curve, but very powerful.
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Linux
Very useful to be proficient at the Linux (or Mac) command line.
High-learning curve, but very powerful.
Learn unix commands, bash scripting, Makefiles for compiling, etc.
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Linux
Very useful to be proficient at the Linux (or Mac) command line.
High-learning curve, but very powerful.
Learn unix commands, bash scripting, Makefiles for compiling, etc.
Used for development everywhere (except for Microsoft)
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Linux
Learn a text editor:
VIM My personal choice. High learning curve, but once again very powerful.
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Linux
Learn a text editor:
VIM My personal choice. High learning curve, but once again very powerful.
Emacs Also very good and powerful.
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Mobile Development
Android and iOS obviously very popular.
You know Java now – try to make some apps.
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Mobile Development
Android and iOS obviously very popular.
You know Java now – try to make some apps.
Good way to practice and show people what you made. Maybe also make some money