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COMPSCI 340 & SOFTENG 370 Semester 2 - 2014

COMPSCI 340 & SOFTENG 370 Semester 2 - 2014. Tutorial 1. About the tutor. Name: Ahmad Obidat Qualifications: PhD in Information System, the University of Auckland, 2011 – Present Education Specialist in Computer Science Education, Florida Institute of Tech., 2009

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COMPSCI 340 & SOFTENG 370 Semester 2 - 2014

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  1. COMPSCI 340 & SOFTENG 370 Semester 2 - 2014 Tutorial 1

  2. About the tutor • Name: Ahmad Obidat • Qualifications: • PhD in Information System, the University of Auckland, 2011 – Present • Education Specialist in Computer Science Education, Florida Institute of Tech., 2009 • Master of Science in Computer Science Education, Florida Institute of Tech., 2006

  3. How and where can you meet me ? How can you contact me? • Email: a.obidat@auckland.ac.nz • Weekly office hours on Monday from 12 pm to 2 pm • Location: in the area across from Room 303.488 • By appointment: please, email me to set time and place

  4. Today’s Agenda • Installing Ubuntu • Java vs. Python • Installing necessary apps for the course

  5. Linux Distributions • The most popular are Ubuntu, Red Hat, Fedora, SuSE, PCLinuxOS, and MEPIS • Which one to use? • Any one should be fine • Which one are we going to use? • Ubuntu • Why Ubuntu? • User friendly • Large user community

  6. Installation • Mainly, Ubuntu can be configured using three different ways: • To run Ubuntu without installing it on your hard drive, the best way is to run it from CD/DVD https://help.ubuntu.com/community/BurningIsoHowto • Dual-boot system. Namely, you will have both Windows and Linux available for booting http://www.ubuntu.com/download/help/install-ubuntu-with-windows • Using VMware Player: it creates isolated virtual machines (we are going to use this method)

  7. Installation using VMware Player • Download the appropriate version of Ubuntu to your hard drive from: http://www.ubuntu.com/download/desktop • Download VMware Player for Windows 32-bit and 64-bit from: http://www.vmware.com/download/player/download.html • Double click on VMware-player-6.0.3-1895310 exe file • Make sure you change the hardware settings when installing (see next slides)

  8. Select create New Virtual Machine

  9. Select the second option and browse to the iso file you downloaded.

  10. Personal data

  11. Enter a name for the virtual machine

  12. Specify Disk Capacity Give it up to 30 GB

  13. New Virtual Machine Wizard Select Customize Hardware

  14. Specify the amount of memory allocated for the virtual machine Use the slider to choose the appropriate size as it is advised by the legend.

  15. Processor Select number of processor cores.

  16. 3D Graphics Make sure that the “Accelerate 3D graphics” checkbox is checked.

  17. Java vs. Python • Python programs are typically 3-5 times shorter than equivalent Java programs • Python programs take much less time to develop than Java ones • Pythonis built-in high-level data types and dynamic typing • Python provides an operating system module which gives connection to Unix system calls.

  18. Java vs. Python Java Python print("Hello, world!") public class HelloWorld { public static void main (String[] args) { System.out.println("Hello, world!"); } }

  19. Java vs. Python Java Python defsumRange( first, last ) : total = 0 i = first while i <= last : total = total + i i = i + 1 return total start = 1 end = 100 theSum = sumRange( start, end ) print ("The sum of the integers between", start,\ "and", end, "is", theSum) public class MainClass { public static void main(String[] args) { int start = 1; int end = 100; inttheSum = sumRange( start, end ); System.out.println ("The sum of the integers between " + start + " and " + end + " is " + theSum); } public static intsumRange(int first, int last) { int total = 0; inti = first; while (i <= last ) { total+= i; i ++; } return total; } }

  20. Java vs. Python Java Python gradeList = [ 85, 90, 87, 65, 91 ] print (gradeList) public class PrintList { public static void main(String[] args) { int [] gradeList = { 85, 90, 87, 65, 91 }; System.out.print( "[" ); for( int i = 0; i < gradeList.length; i++ ) { System.out.print( gradeList[ i ] ); if( i < gradeList.length-1 ) System.out.print( ", " ); } System.out.println( "]" ); } }

  21. Installing Python 3

  22. Installing Python3 cont. Click on “Developer Tools”

  23. Installing Python3 cont. Click on “Python”

  24. Installing Python3 cont. IDLE (using Python-3.4)

  25. Installing Python3 cont. Click on “Install”

  26. Installing Python3 cont.

  27. Editing python code with gedit and running it from the command line • Search for “gedit” and then click on the “Text Editor” icon

  28. Editing python code with gedit and running it from the command line cont.

  29. Editing python code with gedit and running it from the command line cont.

  30. References • Python v3.4.1 documentation • Python operating system interfaces • Python 2 for Java programmers • Java for Python Programmers • From Python to Java

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