Transcript 2. Other Programming Languages

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COP 3503 FALL 2012
SHAYAN JAVED
LECTURE 19
Programming Fundamentals using Java
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Course wrap-up
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What you should know

Object-Oriented Programming
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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,

GUIs
ArrayLists, Stacks, Queues, Linked Lists
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Sample Interview Questions
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Sample Interview Questions

What is Polymorphism and why is it useful?
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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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What you won’t learn in
your courses
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1. Version Control
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Version Control

Used to keep track of changes within your project.
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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

Can look at history of changes
 Can

made what changes, why, when
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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2. Other Programming
Languages
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Programming Languages

Already know Java.
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Programming Languages

Already know Java.

Will learn C/C++ for next courses.
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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

Can write programs in Python/Ruby very quickly.
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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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3. Unix/Linux
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Linux

Very useful to be proficient at the Linux (or Mac) command
line.
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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:
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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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3. Mobile Development
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Mobile Development

Android and iOS obviously very popular.
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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
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Conclusion

Need to put in a lot of effort yourself.

You won’t learn everything in class
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Conclusion

Need to put in a lot of effort yourself.


You won’t learn everything in class
Hopefully you enjoyed the course and (importantly)
learned a lot.