Server Side Java Technologies

8/7/2019 Server Side Java Technologies

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What is Java?


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Java IS ...

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Simple

Object Oriented

Distributed

Robust

Secure

Architecture NeutralPortable

Integrated

High-Performance

Multi-Threaded

Dynamic


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TIOBE Programming Community Index

3http://www.tiobe.com/index.php/content/paperinfo/tpci/


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Position

Feb 2010

Position

Feb 2009

Delta in

Position

Programming

Language

Ratings

Feb 2010

Delta

Feb 2009

Status

1 1 Java 17.35% -2.05% A2 2 C 16.60% +0.76% A3 5 PHP 10.00% +1.22% A4 3 C++ 9.45% -0.19% A5 4 (Visual) Basic 7.05% -1.79% A6 6 C# 5.02% -0.05% A7 7 Python 4.31% -0.25% A8 8 Perl 3.60% -0.52% A9 9 Delphi 2.66% -0.97% A10 10 JavaScript 2.64% -0.90% A11 11 Ruby 2.44% -0.84% A12 32 Objective-C 1.78% +1.60% A13 - Go 1.78% +1.78% A-14 14 SAS 0.77% -0.06% A15 13 PL/SQL 0.74% -0.25% A16 17 ABAP 0.66% +0.09% B17 16 Pascal 0.61% -0.08% B18 18 ActionScript 0.58% +0.04% B19 23 Lisp/Scheme 0.56% +0.13% B20 24 MATLAB 0.54% +0.12% B

TIOBE Programming Community Index

4http://www.tiobe.com/index.php/content/paperinfo/tpci/
http://www.tiobe.com/content/paperinfo/tpci/MATLAB.htmlhttp://www.tiobe.com/content/paperinfo/tpci/MATLAB.htmlhttp://www.tiobe.com/content/paperinfo/tpci/MATLAB.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Lisp_Scheme.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Lisp_Scheme.htmlhttp://www.tiobe.com/content/paperinfo/tpci/ActionScript.htmlhttp://www.tiobe.com/content/paperinfo/tpci/ActionScript.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Pascal.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Pascal.htmlhttp://www.tiobe.com/content/paperinfo/tpci/ABAP.htmlhttp://www.tiobe.com/content/paperinfo/tpci/ABAP.htmlhttp://www.tiobe.com/content/paperinfo/tpci/PL_SQL.htmlhttp://www.tiobe.com/content/paperinfo/tpci/PL_SQL.htmlhttp://www.tiobe.com/content/paperinfo/tpci/SAS.htmlhttp://www.tiobe.com/content/paperinfo/tpci/SAS.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Go.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Go.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Objective-C.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Objective-C.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Ruby.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Ruby.htmlhttp://www.tiobe.com/content/paperinfo/tpci/JavaScript.htmlhttp://www.tiobe.com/content/paperinfo/tpci/JavaScript.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Delphi.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Delphi.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Perl.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Perl.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Python.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Python.htmlhttp://www.tiobe.com/content/paperinfo/tpci/C_.htmlhttp://www.tiobe.com/content/paperinfo/tpci/C_.htmlhttp://www.tiobe.com/content/paperinfo/tpci/(Visual)_Basic.htmlhttp://www.tiobe.com/content/paperinfo/tpci/(Visual)_Basic.htmlhttp://www.tiobe.com/content/paperinfo/tpci/C__.htmlhttp://www.tiobe.com/content/paperinfo/tpci/C__.htmlhttp://www.tiobe.com/content/paperinfo/tpci/PHP.htmlhttp://www.tiobe.com/content/paperinfo/tpci/PHP.htmlhttp://www.tiobe.com/content/paperinfo/tpci/C.htmlhttp://www.tiobe.com/content/paperinfo/tpci/C.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Java.htmlhttp://www.tiobe.com/content/paperinfo/tpci/Java.html


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Release History

5

Date Release

1/23/1996 JDK 1.0

2/19/1997 JDK 1.1

12/8/1998 J2SE 1.25/8/2000 J2SE 1.3

2/6/2002 J2SE 1.4

9/30/2004 J2SE 5.0

12/11/2006 Java SE 6

10/16/2008 Java SE 6, update 10

1/13/2010 Java SE 6, update 18http://en.wikipedia.org/wiki/Java_version_history


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Java VM - Performance

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Java VM Architecture

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0011111110101110101011111001010010101010010010100101010010110100101001

------------------------------------------------------------------------------------

Java Bytecode

Class Loader

Bytecode Verifier

Interpreter

Runtime System

OS

Hardware

Java VM

Java source code

compile execute


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Simple Java Program

8


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Java Compiler Improvements- Bytecode optimization

- Bytecode inlining

Java Interpreter Improvements- JIT (Just in Time) Compiler

- HotSpot Performance Engine

- Garbage Collection Algorithms

- Locking Mechanism

Class Library Improvements

Performance Improvements


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Performance Improvements

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0

200

400

600

800

J2SE 1.2.2 J2SE 1.3.1_16 J2SE 1.4.2_11 J2SE 5.0_06 Java SE 6.0

Server benchmark: Volano 2.5.0.9

Sun JVMs are 32-bitSun Fire V490: Solaris 9 / SPARCVolano Website: http://www.volano.com

Source: Java Performance Engineering

1998

2001 2003

2004

2005
http://www.volano.com/http://www.volano.com/


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Computer Language Benchmark Game

12http://shootout.alioth.debian.org/u64q/which-programming-languages-are-fastest.php


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Java (HotSpot) v.s. Java (Interpreter)

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Java v.s. Fortran

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Java v.s. GNU g++ (C++)

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COBOL to Java

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COBOL Program - Display File Contents

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Java EE overview

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Java EE Tiered Applications

Client Tier

Web Tier

Business Tier

EIS (Enterprise Information System) Tier

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Client Web Business EIS


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Client Tier

Web Browsers- HTML

- Java Applet

- AJAX

Rich Client Applications- Java Web Start Applications

- Desktop (Java) Client

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Web Tier

Web Server Applications

Servlet

JSF (JavaServer Faces)

JSF Facelet

EL (Expression Language)

JSP (JavaServer Pages)

JSP Standard Tag Library

JavaBeans Components

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Business Tier

Enterprise JavaBeans

JAX-RS RESTful Web Services

JAX-WS Web Services Endpoints

Java Persistence API

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EIS Tier

JDBC (Java Database Connection)

Java Persistence API

Java EE Connector Architecture

Java Transaction API

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Java EE 6 Technologies

EJB 3.1

Servlet 3.0

JSP 2.2

EL 2.2

JMS 1.1

JTA 1.1

JavaMail 1.4

Connector 1.6

Web Services 1.3

JAX-RPC 1.1

JAX-WS 2.2

JAX-RS 1.1

JAXB 2.2

JAXR 1.0

Java EE Management 1.1

Java EE Deployment 1.2

JACC 1.4

JASPIC 1.0

JSP Debugging 1.0

JSTL 1.2

Web Services Metadata2.1

JSF 2.0

Common Annotations 1.1

Java Persistence 2.0

Bean Validation 1.0

Managed Bean 1.0

Interceptors 1.1

Contexts andDependency Injection forJavaEE 1.0

Dependency Injection forJava 1.0

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Future Topic Candidates

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Future Topic Candidates

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Java EE Details

Spring Framework

Testing

Source Code Management

COBOL and Java ?

...

Server Side Java Technologies

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