Advanced Programming in Java

Advanced Programming in Java

Sadegh AliakbarySharif University of Technology

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AgendaIntroduction to CourseJava HistoryJava CharacteristicsFirst ExampleSyllabusEvaluation Policy

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This Course Covers:Java programming languageObject Oriented ConceptsSome Programming Skills

TestRefactoringCode Smell

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Java HistoryJava was created in 1991by James Gosling in Sun Microsystems.Initially called Oak

in honor of the tree outside Gosling's windowIts name was changed to Java

because there was already a language called Oak.

Sun Microsystems released the first public implementation as Java 1.0 in 1995

Java syntax is similar to C and C++.Fall 2010

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Java MotivationThe need for platform independent

languageTo be embedded in various consumer

electronic products like toasters and refrigerators

Platform independent?!HardwareOperating System

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Java Motivation (2)At the same time, the World Wide Web and

the Internet were gaining popularity. Java could be used for Internet programming.Why?

Platform independenceCreation of AppletsNow, Java is used mostly for server-side

programming

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The Java technology is:A programming language

Java can create all kinds of applicationsA development environment

A compiler (javac)An interpreter (java)A documentation generator (javadoc)…

Compare it to C++

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High-Level Languages

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Java Virtual Machine

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Compile and Execution StagesCompare

to C++ and Assembly

.NET Framework

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First ExampleCreate a file named First.java

Java class files have .java extensionNote to naming convention

Copy this lines to the fileNote: File name and class name should be the

same.

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First Example (2)Run javac First.javaRun java First

We don’t use any IDE now.To highlight compile and run stages.

Lets watch it in real world!

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Overview of the Example

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Java is PopularSome reports on programming languages

popularityAccording to

Job advertisementsBook salesFinding code on the web…

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http://www.langpop.comupdated in 2010

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http://www.tiobe.com/index.php/content/paperinfo/tpci/index.html

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Characteristics of JavaJava is simpleJava is object-orientedJava is architecture-neutralJava is portableJava is interpretedJava is multithreadedJava is secureJava is robust

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ConclusionJava is a

Simpleobject orientedRobustAnd popular

Java is platform independent.Write Once, Run Anywhere!

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Further ReadingRead Java page on Wikipedia

http://en.wikipedia.org/wiki/Java_(programming_language)Google this terms and phrases:

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JavaJava MobileJVMByte codeJava Sun

Java and C++Java and C#

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ExercisesDownload and install JDKWrite a program that prints your name on the

consoleCompile and run the program

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Evaluation PolicyFinal Exam: 4Midterm Exam 1: 2Midterm Exam 2: 2Quiz & Attendance : 4Assignments: 3Projects: 6+

(Sum=21)

If you don’t want to attend this class…

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TopicsIntroduction to java

languageJava syntax, operators,

conditions, loops, …StringsArrays

Object Oriented Programming

InheritancePolymorphismCollectionsGenerics

Exception Handling

Files and I/OThreadsReflectionTestRefactoringGUINetworking

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