1. JAVA INTRODUCTION

➖Java is general purpose programming language.
➖General purpose means the language is not designed for 1 purpose, it is designed for multiple purpose.
➖Java language is uses in Hardware industry as well as in Software industry.
➖In Hardware industry, the language is used to execute or to run hardware appliances.
Ex: washing machine, parking meter, refregerator, etc.
➖In Software industry, the language is used to design and to develop applications.
Ex: Android applications
➖Java is very popular in the Software industry because the language is very simple to understand, secure, portable, dynamic, etc.
➖Java programming language is also known as "Write Once, Run Anywhere."
➖It is also known as platform independent programming language.
➖It is also known as Object-oriented programming language.
➖It is also known as interpreted(line by line execution) programming language.
➖Java is very popular then C language, because C programming language utilizes Operating System resources for compilation and execution of program whereas Java never utilizes OS resources for compilation and execution of a program.

In interview, interviewer can ask you a question "what do you know about java and why java?" You need to tell them this points

COURSE CONTENT

SECTION-1

1.INTRODUCTION
2.HISTORY
3.JAVA S/W INSTALLATION
4.SIMPLE JAVA PROGRAMS
5.VARIABLES
6.DATA TYPES
7.CONTROL STATEMENTS
8.LOOPS
9.METHODS
10.DATA MEMBERS INITIALIZATION


SECTION-2

11. BLOCKS AND CONSTRUCTORS
12. CLASS AND OBJECT
13. SUN ARCHITECTURE
14. INTRODUCTION TO OOPS
15. INHERITANCE
16. POLYMORPHISM
17. ACCESS SPECIFIER
18. ENCAPSULATION
19. ABSTRACT AND CONCRETE
20. GENERALIZATION
21. CASTING
22. INTERFACE
23. ABSTRACT CLASS
24. SINGLTON CLASS


SECTION-3

25. JAVA LIBRARIES
26. STRING
27. ARRAY
28. EXCEPTION HANDLING
29. THREAD
30. COLLECTION FRAMEWORK
31. FILE HANDLING
32. WRAPPER CLASS

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Where java can be used?

➖JAVA program is used in, Mobile applications, Stand alone applications, dynamic applications and BigData(Hadoop) technology.


1. Standalone Applications:-
➖An application which never utilizes external resources for execution, it is known as standalone applications.
Ex: Calculators, music players, parking meters, etc

2. Dynamic Applications:-
➖An application which utilizes external resources for execution, it is known as dynamic application.
➖External resources are like server facility, internet connectivity and database utilization.
➖Dynamic applications are also also known as server side app or web applications.
Ex: Amazon, Flipkart(e-commerce) etc.

JAVA Platforms:
➖Java programming language is classified into three different platforms. They are,

1. J2SE:- JAVA 2 Standard Edition
➖standalone app,
➖security high because of OOPS concept

2. J2EE:- JAVA 2 Enterprise Edition
➖dynamic app,
➖web app,
➖server side app

3. J2ME:- JAVA 2 Micro Edition