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)

Limitation of Java Language and Java Internet
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Each language has some limitation so java have some limation Java uses the automatic garbage collector to handle all the memory management and the programmer has no control on it Different JVM is different system or different platform. The limitation is java Gui, Floating point arithmetic , Byte-code, Automatic memory management, Different JVM for different platform . Java compiler not yet well optimized takes more time to compile a large program than a good C++ compiler.

Java programs Byte-code interpretation is slow- 20-50 times slower than C++. GUI written in Java using Swing may not be the same as the widget look and feel of the underlying operating system. Java largely supports IEEE-754 floating point arithmetic, but certain features are not supported even with the use of the strictfp modifier in Java.

 

Java and the Internet

A computer on a network can communicate with other computers on the same network by exchanging data and files or by sending and receiving messages. Computers on a network can even work together on a large computation. The Java platform is highly regarded in networking because of its suitability for writing programs that use and interact with the resources on the Internet ( World Wide Web) in a secure way. Java provide Applet application is designed travel over the internet through which we can make an application which can run under Java-compatible browsers and transfer data from local machine to server through internet in secure way. Any information transmitted over computer networks Internet must be secure. It become more important when we are transferring most sensitive information like credit card numbers and other personal data. To make the Internet more useful in an enterprise and more secure for e-commerce, applications and e-business applications and their users' information, using encryption, authentication, and secure communications protocols.

      The secure Hypertext Transfer Protocol (HTTPS), which is HTTP over the Secure Sockets Layer (SSL), is already being used successfully for e-commerce applications for security purpose. Java programming language provides a JSSE API. The Java Secure Socket Extension (JSSE) is a set of Java packages that enable secure Internet communications. Which use secure data passage of data between a client and a server running any application protocol ( HTTP, FTP, Telnet, or NTTP, over TCP/IP). Java also provides J2EE to develop an enterprise application for internet. J2EE contains so many components like Java Sever Pages, Sevlets, EJB JMS etc, through which a Java Developer can make an interactive, secure web base java applications.

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