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Brief Introduction to Java and C# Dahai Guo Oracle Certified Java Programmer (SCJP) Associate...
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Transcript of Brief Introduction to Java and C# Dahai Guo Oracle Certified Java Programmer (SCJP) Associate...
Brief Introduction to Java and C#
Dahai GuoOracle Certified Java Programmer (SCJP)Associate Professor and Program Director
Software Engineering ProgramWhitaker College of Engineering
Florida Gulf Coast University
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Outline
• Java– History– Applications– Java Development Kit– Tools– Demo
• C#– Why Java Programmers Can Learn C# Quick– Demo
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Java: History
• JDK 1.0 (January 23, 1996)• JDK 1.1 (February 19, 1997)• J2SE 1.2 (December 8, 1998)• J2SE 1.3 (May 8, 2000)• J2SE 1.4 (February 6, 2002)• J2SE 5.0 (September 30, 2004)• Java SE 6 (December 11, 2006)• Java SE 7 (July 28, 2011)
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Java: History
• WHY: People were desperate for portable programs which are not hardware and operating system dependent.
• How: A program, called Java Virtual Machine, is installed to hide details of the operating system and hardware.
• So: Write once, Run anywhere!!
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Java: Applications
• Ranked #1 (2011) and #2 (2012) in the most popular programming languages. (tiobe.com)
• Android applications are all written in Java.
• Hadoop, the most popular framework for managing cloud, was written in Java.
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Java Development Kit (JDK)
• Provides Java programmer with numerous classes and methods for– Developing Graphical User Interfaces (GUI)– Data processing– Multithreaded programs– Networking programs– Many more…
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Tools
• Many open source tools exist for developing Java based projects– Integrated Development Environment: Eclipse,
NetBeans– Unit Testing: JUnit– Configuration Management: TortoiseSVN– Continuous Build: CruiseControl– Game Development: JMonkeyEngine
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Tools
• Tips:– For most school projects, Eclipse should meet
your needs. – Many other tools can be integrated with Eclipse in
form of plugins.
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Demo 1
• Hello, World!– How to edit, compile, and execute Java programs
in Eclipse.
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Demo 2
• Eight-puzzle solver– Basic GUI– Image input and output– Data structures support – Artificial intelligence
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Demo 3
• Convex hull finder:– Basic drawing methods– Timer events– Data structure support– Computational geometry
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Demo 4
• Road graphics generator– Basic GUI with user inputs– Integration with a game engine
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Demo 5
• Multithreaded application
RandNumGen
RandNumGen
Unlimited Size Buffer
DataCollectorrun every 30ms
Collects data every 100 ms
Disk
Internal Buffer
Disk
Disk
.
.
.
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Demo 5 (cont)
• Do not step on each other’s foot– Data collector shall not read from the unlimited
buffer when it is being written.– Random # generator shall not write to the
unlimited buffer when it is being read.– Data collector shall not update its internal buffer
when not each file saver completes.– No file saver shall save the same content more
than once.
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Demo 6
• Networked chatter– Basic GUI with user inputs– Socket communication
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
C#
• C# 1.0: December, 2002• C# 2.0: October, 2005• C# 3.0: August, 2007• C# 4.0: April, 2010
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
C#
• Why Java Programmers Can Learn C# Quick: C# is very similar to Java in syntax.
• C# programs run on the .NET framework just like Java programs run on the Java Virtual Machine.
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Tools for C# Programming
• While other tools exist, Visual Studio is the mostly used tool for C# programming.
• Visual Studio can be downloaded at https://www.dreamspark.com/ for free to students.
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Demo 1
• Hello, World!– How to edit, compile, and execute C# programs in
Visual Studio
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012
Demo 2
• Multi-threaded applications
Computer Science, Software Engineering & Robotics Workshop, FGCU, April 27-28, 2012