Object-Orientation Encapsulation grouping related ideas into a single unit that can be referred to by a single name ° Method (subroutine) encapsulates the steps of a process - saves human memory (chunking) - saves computer memory (don’t need to replicate code) ° Object-oriented encapsulation the packaging of operations and attributes (which represent state) into an object type so that an objects state will be accessed/modified only via the interface provided by the encapsulation. Information/implementation
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Java’s Lineage -------------- Java is related to C++‚ which is a direct descendent of C. Much of the character of Java is inherited from these two languages. From C‚ Java derives its syntax. Many of Java’s object-oriented features were influenced by C++. C-> Test.c [Source] --> Test.exe [ Machine Lang.] C is platform dependent - Platform = H.W +O.S Java -> Test.java --> Test.class [byte code] platform independent
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The Basics of Java Networking by Daniel Bloom JAVA NETWORKING TUTORIAL Imports Needed: Java.io.* Java.util.* Java.net.* Objects Used: InetAddress - creates an IP connection to a specified host Inet4Address - Creates an IPv4 connection to a specified host Inet6Address - Creates an IPv6 connection to a specified host SocketAddress - provides an immutable object used by sockets for binding‚ connecting‚ or as returned values. (Abstract class (used with InetAddress)) Socket - Opens
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Tutorial: Building a Java applet Presented by developerWorks‚ your source for great tutorials ibm.com/developerWorks Table of Contents If you’re viewing this document online‚ you can click any of the topics below to link directly to that section. 1. Tutorial tips 2. Java‚ development‚ and applets 3. Loading and displaying images 4. Exceptions and MediaTracker class 5. Offscreen image buffering 6. Image rotation algorithm using copyArea 7. Threading and animation 8. Graphic output methods
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Dr Walid M. Aly Object‐ Oriented Programming (CS243) lec1 2 Dr Walid M. Aly JAVA C C++ JAVA http://java.sun.com/ 1991 1970 1979 C# 2000 Object‐ Oriented Programming (CS243) lec1 Dr Walid M. Aly 3 Text Book Object‐ Oriented Programming (CS243) lec1 4 Dr Walid M. Aly Course Group home page: http://groups.yahoo.com/group/JAVA‐CS243/ Object‐ Oriented Programming (CS243) lec1 5 Dr Walid M. Aly TIOBE Programming Community Index for December 2011
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UNIT 3 i Control structures Unit 3 TCC 121/05 Programming Fundamentals with Java Control Structures ii WAWASAN OPEN UNIVERSITY TCC 121/05 Programming Fundamentals with Java COURSE TEAM Course Team Coordinator: Mr. Vincent Chung Sheng Hung Content Writer: Dr. Wong Li Pei Instructional Designer: Ms. Jeanne Chow Academic Member: Ms. Khor Ean Teng COURSE COORDINATOR Mr. Vincent Chung Sheng Hung EXTERNAL COURSE ASSESSOR Professor Andrew Lui‚ The Open University of Hong Kong
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References 22 Introduction Java programming language has developed and become increasingly popular in the past few years due to its rich compatibility which allows it to operate on various types of machines and the object oriented approach implemented by the language. The concentration of the following project is based on the use of object oriented programming techniques combined with the implementation of design patterns in order to develop robust applications using the java platform. Secondly the project
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UMETSHistory of Java and Tour of JDK Java is an object-oriented programming language developed by Sun Microsystems‚ and modeled on C++‚ the Java language was designed to be small‚ simple‚ and portable across platforms and operating systems‚ both at the source and at the binary level‚ which means that Java programs (applets and applications) can run on any machine that has the Java virtual machine installed One might be surprised to learn that Java did not come into being because of Internet or
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00©2006 IEEE 689 Preventing Reverse Engineering Threat in Java Using Byte Code Obfuscation Techniques Jan M. Memon‚ Shams-ul-Arfeen‚ Asghar Mughal‚ Faisal Memon Department of Computer Science Isra University‚ Hyderabad‚ Pakistan {janmohd‚ shams‚ asghar‚ faisal}@isra.edu.pk Abstrac: Java programs are compiled into a platform independent byte code format. Much of the information contained in the source code is retained in the byte code. Consequently reverse engineering becomes much easier.
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Lesson 1 Introduction to Java History Was created in 1991 James Gosling et al. of Suns Microsystems Initially called Oak‚ in honor of the oak tree‚ but there is an Oak language so its was changed into Java Original motivation was need for platform independent language that could be embed in various consumer electronic products Star7 – a personal hand-held remote‚ first project developed with java. Java Technology 1. A programming language – can create all kinds of applications that you could
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