ITFT- C,c++,java and world wide web
- 1. EVOLUTION C, C++, Java and World Wide Web
- 2. Contents • C, C++ and Java • How Java is differ from C programming • How Java is differ from C++ programming • Java and Internet • Java and World Wide Web • Supported system, Hardware and Software Requirements • Java Environment
- 3. C, C++ and Java
- 4. How Java is differ from C Programming Sr. No. JAVA C Programming 1. Java is an object oriented language. C Programming is not an object oriented language 2. Java does not support pointers. C Programming support pointers. 3. Java does not have a preprocessor. C Programming has a preprocessor. 4. Java adds new operators such as instanceof and >>>. C Programming does not have these operators. 5. Java does not contains data types Structure and union C Programming contains data types Structure and union
- 5. How Java is differ from C ++ Programming Sr. No. JAVA C++ Programming 1. Java is a true object oriented language. C++ is basically c with object oriented extension. 2. Java does not support operator overloading. C++ support operator overloading. 3. Java does not support multiple inheritance. C++ support multiple inheritance. 4. Java does not use pointers. In c++, we can use pointers. 5. Java does not support global variable. C++ support global variable.
- 6. Java and internet • Java is strongly associated with internet. • First application program written in java is “HOTJAVA” (a web browser). • Support to Internet Protocols: Java has a rich variety of classes that abstracts the Internet protocols like HTTP , FTP, IP, TCP-IP, SMTP, DNS etc. • Applets in java are used to provide interactive features to web applications.
- 7. Java and World Wide Web • Java and World Wide Web are based on same philosophy i.e. to be used in distributed environments such as internet. • Before java, World Wide Web is only able to show Still images and text. • With the support of java World Wide Web become more interactive.
- 8. Web Browsers • Web Browser are used to navigate through the information found in the internet. • They allow us to retrieve information from the internet. • Examples of web browsers are:- • Hot java, Netscape Navigator, internet Explorer.
- 9. Supported Systems, Hardware and Software Requirements • Java is currently supported on following machines:- • Windows, Linux, Mac OS X • The minimum hardware & software requirements for Windows XP SP1+ on Java:- • RAM: 128 MB, 64 MB for Windows XP (32-bit) • Disk space: 1GB • Browsers: Internet Explorer 7.0 and above, Firefox 3.6 and above, Chrome.
- 10. Java Environment • Java Environment includes a large number of development tools, hundreds of classes and methods. • Development tools are the part of system known as JAVA DELOPMENT KIT(JDK). • Methods and classes are the part of JAVA STANDARD LIBRARY(JSL) or API.