Java

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Java

  1. 1. JAVA By Shridhar.B
  2. 2. Introduction • • • • • • Started in the year 1991 Sun Microsystems Java Platform independent Portable Secure
  3. 3. Innovation and Development • To adapt to changing environments and uses • To implement refinement and improvements in the art of programming
  4. 4. What is Software ? software Application Software System Software
  5. 5. Who builds Software ? • Software usually built by a team of software engineers which includes :  Business Analysts  Designers and architects  Programmers  Testers
  6. 6. Classification of JAVA J2SE J2EE J2ME
  7. 7. Architecture Java Byte Code is Platform independent Demo.java Java Compiler Java Byte Code Demo.class JVM Executable Code(Output)
  8. 8. Simple Java Program class Demo { public static void main(String args[]) { System.out.println(“Hello World “); } }
  9. 9. Web Server Architecture • Servlets • Jsp • Struts Web Server Web Container Servlet Client(Browser) <HTML> <HTML> Database
  10. 10. Tools Required • • • • Eclipse JRE JDK plug-in SDK

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