Java Programing laungage

Core Java Tutorial

Introduction of Core Java

How To Install JDk and Set of Path

Syntax of java Program

Difference between Java and C/C++

Advantage and Disadvantage of Java

What is Java

Why Java is not Pure Object Oriented Language

Java has Following Features/Characteristics

Limitation of Java Language and Java Internet

Common Misconception about Java

Simple Program of Java

Integrated Development Environment in java

Compile and Run Java Program

Applet and Comments in Java

Tokens in Java

Keywords in Java

Identifier and Variables in Java

Literals/Constants

Data Type in Java

Assignments and Initialization in Java

Operators in Java

Rule of Precedence in Java

Operator on Integer and Separators in Java Programming

Java Control Flow of Statements

If and If-else Selection Statement

Nested If-else and If-else-If Selection Statement

switch case and conditional operator Selection Statement

for and while Loop

do..while and for each Loop

break and labeled break statement

continue and labeled continue statement

return Statement and exit() Method

Escape Sequence for Special Characters and Unicode Code

Constants and Block or Scope

Statement in Java

Conversions between Numeric Types in Java

Import Statement in Java

User Input in Java using Scanner Class

User Input in Java using Console Class

Array in Java

One Dimensional Array

Two Dimensional Array

Two Dimensional Array Program

Command Line Argument in Java

String args Types in Java

Uneven/Jagged array in java

Math Class Function and Constant

Math Class all Function used in a program

Enumerated Types in Java

Object Oriented Programming v/s Procedural Programming

Object Oriented Programming Concepts in Java

Introduction to Class,Object and Method in Java

Class Declaration in Java

Class & Objects in java

Encapsulation in Java

Modifiers/Visibility for a Class or Interrface or member of a Class

Polymorphism in Java

Runtime polymorphism (dynamic binding or method overriding)

Why Java is not Pure Object Oriented Language
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  1. Java is object oriented programming language but it is not pure Oops.
  2. These following features is used in language is pure oops
    1. Encapsulation
    2. Inheritance
    3. Polymorphism
    4. Abstraction
  3. All predefined types are must objects.
  4. All operations are performed by sending message to objects.
  5. All user defined types must objects.
  6. These foolownig features is used in language is not pure oops.
  7. java is not oops because it supports primitive data type such as byte, int, short, long, char, float, double is used which are not objects.
  8. Java does not support multiple inheritance directly.
  9. Java supports static variables that are not the part of classes and objects.

 

Where and why Java is used
  1. Desktop application such as acrobat reader.
  2. Web application.
  3. Enterprise applications such as banking applications.
  4. Mobile.
  5. Embedded system.
  6. Games etc.
  7. Types of applications : There are four types of applications
    1. Standalone application: Standalone application is a computer program which run on our local computer. it is more or less like c or c++ program. it always contain main() method.
    2. Web application: An application that run on the web server side and creates dynamic page, is called as web application. Currently, servlet, jsp, struts etc. technologies are used for creating web applications in java.
    3. Enterprise application: An application that is distributed in nature, such as banking applications etc. It has the advantage of high level security, load balancing and clustering. In java, EJB is used for creating enterprise applications.
    4. Mobile application: An application that is created for mobile.
  8. Java is used because java is a platform independent language.
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