lecture1 - PIC 20A Lecture 1: Computers, Programming...

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PIC 20A Lecture 1: Computers, Programming Languages, Introduction to Java
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Java • developed by James Gosling (Sun Microsystems) • latest version: 1.6 • a fully object-oriented programming language used for implementing – network based applications – software for devices that communicate over a network (cellular phones, pagers, and personal digital assistants). • programs consists of pieces called classes
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What makes Java an attractive programming language? 1. Can make really cool home pages with applets . 2. Easy to create a GUI ( Graphical User Interface ) 3. Easy to create applications that use graphics, images, animation, audio and video. 4. More platform independent than C++ and other programming languages. ( Platforms refer to different types of computers running on different operating systems.)
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What makes Java an attractive programming language? 5. Can integrate your programs into the Word Wide Web, making them more accessible to the public. 6. Multithreading (allows several activities to occur simultaneously in parallel) 7. Can reuse software components. No need to reinvent the wheel. 8. May integrate existing C++ and C code with Java code. (Flexible since Java allows native code )
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What makes Java an attractive programming language? 9. Safety 10. Vast library of class and interface packages provided by Sun 11. Java is open source
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Anatomy of a Computer Central Processing Unit (CPU) • a chip or a group of chips • functions as "the brain" of a computer • locates and executes program instructions
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This note was uploaded on 04/12/2010 for the course PIC PIC 20A taught by Professor Keithouellette during the Spring '09 term at UCLA.

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lecture1 - PIC 20A Lecture 1: Computers, Programming...

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