Introduction to java and it's opportunities
- 1. What can you do with java ? • You can develop o Console based applications o Window based application o Server based application. o Network based applications o Mobile based applications o Database applications. o Web based application(Both client & server based). Text based input & output programs. Command line input programs. E.g. Hardware control program like whether forecasting , Automated IoT products .
- 2. What can you do with java ? • You can develop o Console based applications o Window based application o Server based application. o Network based applications o Mobile based applications o Database applications. o Web based application(Both client & server based). Graphical user interaction applications Desktop based applications E.g. Channel selection and settop box tunning software , Single PC Games.
- 3. What can you do with java ? • You can develop o Console based applications o Window based application o Server based application & Network based applications o Mobile based applications o Database applications. o Web based application(Both client & server based). Multi system application. Proxy Server. Intranet E.g.Watch Guard , Live streaming of videos from CCTV cameras.
- 4. What can you do with java ? • You can develop o Console based applications o Window based application o Server based application & Network based applications o Mobile based applications o Database applications. o Web based application(Both client & server based). Android OS Android Apps Java powered Mobile apps (Older versions on nokia N9 series)
- 5. What can you do with java ? • You can develop o Console based applications o Window based application o Server based application & Network based applications oMobile based applications o Database applications. o Web based application(Both client & server based). Android OS Android Apps Java powered Mobile apps (Older versions on nokia N9 series)
- 6. What can you do with java ? • You can develop o Console based applications o Window based application o Server based application & Network based applications o Mobile based applications o Database applications. o Web based application(Both client & server based). Assesment Portal & Software. Biometric attendance . Search engine. Job portal
- 7. What can you do with java ? • You can develop o Console based applications o Window based application o Server based application & Network based applications o Mobile based applications o Database applications. o Web based application (Both client & server based). Web server Web search engine. Live learning portal Google meet , Teamviewer
- 8. JAVA VS CAREER OPPORTUNITIES
- 9. JAVA VS CAREER OPPORTUNITIES
- 10. JAVA VS CAREER OPPORTUNITIES
- 11. JAVA RECRUITERS
- 12. JAVA RECRUITERS
- 13. History Of Java Introduced for Interactive Television Advanced technology for digital cable television Industry Started with GREEN TEAM Developed for Digital Set Top Boxes , Television It was incorporated by Netscape
- 14. History Of Java It was first developed by James Gosling, Patrick Naughton, Mike Sheridan Developed June 1991 Called as “GREEN TALK” Extension - .gt Renamed as “OAK” – Part of Green Project OAK – Symbol of Strength, National tree for USA, France, Germany, Romania
- 15. History Of Java 1995 – OAK renamed as JAVA Because of trade market by OAK technologies JAVA – Island of Indonesia First Coffee was produced called JAVA Coffee Subsidary of ORACLE Corporation 23 Jan 1996 – JDK 1.0 Introduced
- 16. Features Of Java Simple Robust Portable Platform Independent Secured High Performance Multithreaded Architecture Neutral Object Oriented Integrated Dynamic Distributed
- 17. Features of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java Is compiled and Interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic memory management
- 18. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic memory management 18 Java is partially modeled on C++, but greatly simplified and improved.
- 19. Characteristics of Java • Java Is Simple • Java Is (pure) Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic memory management 19 Java Supports Object Oriented Concepts Class Object Data Abstraction Encapsulation Inheritance Polymorphism Dynamic Binding Message Passing
- 20. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic memory management 20 Java Provides Networking capability through Socket programming Servlets. JSP.
- 21. Java is Compiled and Interpreted Text Editor Compiler Interpreter Programmer Source Code .java file Byte Code .class file Hardware and Operating System Notepad, emacs,vi javac java appletviewer netscape
- 22. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic memory management 22 Java has a runtime exception- handling feature to provide programming support for robustness.
- 23. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic memory management 23 Java implements several security mechanisms to protect your system against harm caused by stray programs.
- 24. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic memory management 24 Write once, run anywhere with a Java Virtual Machine (JVM), you can write one program that will run on any platform.
- 25. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic memory management 25 Since Java is architecture neutral, Java programs are portable. They can be run on any platform without being recompiled with same result.
- 27. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic Memory Management 27 Java uses JIT(Just in time ) complier along with interpreter to have high performance in compilation.
- 28. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic Memory Management 28 Multitasking and parallel execution is possible ( eg multiplayer games)
- 29. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic Memory Management 29 Allows us to create dynamic applications like animation etc.
- 30. Characteristics of Java • Java Is Simple • Java Is Object-Oriented • Java Is Distributed • Java is compiled and interpreted • Java Is Robust • Java Is Secure • Java Is Platform Independent • Java Is Portable • Java's Performance • Java Is Multithreaded • Java Is Dynamic • Automatic Memory Management 30 In java, the memory management is done automatically through automatic garbage collection
- 31. JAVA SE 8 • New features in Java SE 8 – Lambda Expressions – Pipelines and Streams – Date and Time API – Default Methods – Type Annotations – Nashhorn JavaScript Engine – Concurrent Accumulators – Parallel operations – PermGen Error Removed – TLS SNI
- 32. Java Development Kit • javac - The Java Compiler • java - The Java Interpreter • jdb- The Java Debugger • appletviewer -Tool to run the applets • javap - to print the Java bytecodes • javaprof - Java profiler • javadoc - documentation generator • javah - creates C header files
- 33. HOW JAVA WORKS • Basic requirements for running java – JRE(Java runtime Environment) – JVM(Java virtual Machine) – JDK(Java Developer Kit)
- 34. Java better than C++ ? • No Typedefs, Defines, or Preprocessor • No Global Variables • No Goto statements • No Pointers • No Unsafe Structures • No Multiple Inheritance • No Operator Overloading • No Automatic Coercions • No Fragile Data Types
- 35. Java IDE Tools (Software tools) • Borland Jbuilder. • NetBeans Open Source by Sun. • Sun ONE Studio by Sun MicroSystems . • Eclipse Open Source by IBM . 35
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