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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
PHP v Java

Question to me yesterday: "Do you have a chart that compares the strengths and weaknesses of the various languages that you teach ...." to which I had to answer "Sorry, no". That's partly because it's like trying to compare apples and oranges, and partly because there are so many different scenarios and ifs and buts that it would be pretty tough to come up with a definitive and easy to follow document. But what I [i]can[/i] do is offer a number of insites, snippets, pieces of evidence that will help provide pointers.

For example:

I saw a demonstration yesterday of a web site, running on two browser windows on the same computer. The two windows looked identical, but were pointed to different test servers. One was pointing to a version of an application written in Java, and the other to a version written in PHP.

The gent running the demonstration clicked on a link on the Java version, moved to the PHP version, and clicked on the same link on that window. The PHP version can back to him (and completely redrew the window) before the Java version had even started. Upon questioning, I learnt that both servers were test machines that were very lightly loaded indeed, that the link ran some fairly compute-intensive code, and that the Java server was a higher spec machine than the PHP server. Their own benchmarks (run more scientifically) showed a 3:1 improvement in performance when switched from Java to PHP.

Conclusion: That you 're likely to need more compute power if you're going to write your application in Java rather than in PHP.

Conclusion about the language to choose: No definitive conclusion. For some projects (such as those with a large number of junior staff involved in a relatively secure big system development), Java may be a strong contender. But don't rule out PHP for some of the "traditionally Java" roles - especially with the private, protected, abstract, interface and final enhancements added at PHP 5 which allow for enforcement of encapsulation. Object Oriented PHP has really come of age in version 5 - and we're seeing a much more rapid update for applications that run on dedicated servers that I would have dared forecast.
(written 2004-11-20, updated 2008-05-11)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
J601 - Java Introduction
  [25] Release numbers - (2004-08-23)
  [111] Training notes available under Open Distribution license - (2004-11-07)
  [317] Programming languages - a comparison - (2005-05-20)
  [792] Is Java the right language to learn? - (2006-07-04)
  [871] Java oversold? - (2006-09-19)
  [1049] Java 6, Apache Tomcat 6. - (2007-01-21)
  [1158] Private Java Course - A customer's pictures - (2007-04-22)
  [1418] A Golf Club Decision - Perl to Java - (2007-11-01)
  [1466] Effective Java training - the bootcamp approach - (2007-12-09)
  [1497] Training Season Starts again! - (2008-01-07)
  [1557] Trying out our Java examples on our web site - (2008-02-27)
  [1766] Diagrams to show you how - Tomcat, Java, PHP - (2008-08-22)
  [1908] Java CLASSPATH explained - (2008-11-26)
  [2115] Finding your java program - the CLASSPATH variable - (2009-04-02)
  [2423] What is a JVM, a JRE, a JDK - components of the core Java Environment - (2009-09-26)
  [2536] All the Cs ... and Java too - (2009-12-13)
  [4332] First Java Application - calculating the weight of a tablecloth - (2014-11-29)

H108 - Objects in PHP
  [67] Object Oriented Programming in PHP - (2004-09-29)
  [205] PHP5 lets you say no - (2005-02-07)
  [343] Should I use structured or object oriented? - (2005-06-10)
  [421] Don't repeat code - use loops or functions - (2005-08-21)
  [485] North, Norther and Northest - PHP 5 Objects - (2005-11-04)
  [656] Think about your design even if you don't use full UML - (2006-03-24)
  [720] Planning a hotel refurb - an example of a Gant chart in PHP - (2006-05-14)
  [836] Build on what you already have with OO - (2006-08-17)
  [1027] Cue the music, I'm happy. - (2007-01-09)
  [1153] Object Oriented Model - a summary of changes from PHP4 to PHP5 - (2007-04-18)
  [1217] What are factory and singleton classes? - (2007-06-04)
  [1535] OO PHP demonstration - comparing objects and more - (2008-02-08)
  [1682] Accounts in PHP - an OO demo - (2008-06-19)
  [1819] Calling base class constructors - (2008-10-03)
  [1820] Sorting objects in PHP - (2008-10-04)
  [1925] Introduction to Object Oriented Programming - (2008-12-06)
  [2160] PHP - getclass v instanceof - (2009-05-07)
  [2169] When should I use OO techniques? - (2009-05-11)
  [2171] Cleaning up redundant objects - (2009-05-11)
  [2172] PHP4 v PHP5 - Object Model Difference - (2009-05-11)
  [2380] Object Oriented programming - a practical design example - (2009-08-27)
  [2434] Abstract classes, Interfaces, PHP and Java - (2009-10-03)
  [2435] Serialization - storing and reloading objects - (2009-10-04)
  [2632] Shipping a test harness with your class in PHP - (2010-02-12)
  [2641] Object Oriented Programming in PHP - (2010-02-19)
  [2680] Static class members in PHP - a documented example - (2010-03-16)
  [2717] The Multiple Inheritance Conundrum, interfaces and mixins - (2010-04-11)
  [2741] What is a factory? - (2010-04-26)
  [2774] PHP - Object Oriented Design in use - (2010-05-21)
  [2921] Does copying a variable duplicate the contents? - (2010-08-14)
  [2922] Getting the OO design write - with PHP a example - (2010-08-14)
  [3142] Private and Public - and things between - (2011-01-22)
  [3210] Catchable fatal error in PHP ... How to catch, and alternative solutions such as JSON - (2011-03-22)
  [3211] Computer Graphics in PHP - World (incoming data) to Pixel (screen) conversion - (2011-03-24)
  [3607] Designing your application - using UML techniques - (2012-02-11)
  [3608] Design Patterns - what are they? Why use them? - (2012-02-12)
  [3609] How do classes relate to each other? Associated Classes - (2012-02-12)
  [3840] Autoload in PHP - (2012-08-17)
  [3841] Copying, duplicating, cloning an object in PHP - (2012-08-18)
  [3843] Caching Design Patterns - (2012-08-20)
  [3953] Objects in PHP - Revision - (2012-12-16)
  [4057] stdClass in PHP - using an object rather than an associative array - (2013-04-02)
  [4073] Learning about Object Orientation in PHP - a new set of examples - (2013-04-28)
  [4356] Object factories in C++, Python, PHP and Perl - (2014-12-19)
  [4366] Changing what operators do on objects - a comparison across different programming languages - (2014-12-26)
  [4626] Singleton design pattern - examples and uses - (2016-01-20)
  [4627] Caching results in an object for efficiency - avoiding re-calculation - (2016-01-20)
  [4628] Associative objects - one object within another. - (2016-01-20)

H101 - Introduction to PHP
  [48] PHP - onwards and upwards - (2004-09-14)
  [55] Evening classes to learn PHP - (2004-09-19)
  [93] Case Sensitive? - (2004-10-19)
  [132] Portrait of the author - (2004-11-27)
  [135] Too many Perls - (2004-11-30)
  [341] Happy Birthday, PHP - (2005-06-09)
  [380] Bridging to the customer requirement - (2005-07-16)
  [382] Central London Courses - Perl, PHP, Python, Tcl, MySQL - (2005-07-18)
  [433] FTP - how to make the right transfers - (2005-09-01)
  [577] Learning to program in Perl or PHP - (2006-01-26)
  [624] It's REALLY easy to add a little PHP - (2006-02-26)
  [629] Choosing the right language - (2006-03-01)
  [646] PHP - London course, Melksham Course, Evening course - (2006-03-14)
  [691] Testing you Perl / PHP / MySQL / Tcl knowledge - (2006-04-19)
  [712] Why reinvent the wheel - (2006-05-06)
  [789] Hot answers in PHP - (2006-07-02)
  [795] Remember a site's non-technical issues too - (2006-07-07)
  [846] Is Perl being replaced by PHP and Python? - (2006-08-27)
  [917] Syntax checking in PHP - (2006-11-07)
  [924] The LAMP Cookbook - Linux, Apache, MySQL, PHP / Perl - (2006-11-13)
  [949] Sludge off the mountain, and Python and PHP - (2006-11-27)
  [1050] The HTML++ Metalanguage - (2007-01-22)
  [1198] From Web to Web 2 - (2007-05-21)
  [1717] Q - Should I use Perl or Python? - (2008-07-23)
  [1753] Perl v PHP, choosing the right language - (2008-08-14)
  [1958] PHP - Parse error: syntax error, unexpected $end ... - (2008-12-23)
  [2097] PHP Course - for hobby / club / charity users. - (2009-03-22)
  [3025] Learning to Program ... in PHP. Course examples. - (2010-11-01)
  [4118] We not only teach PHP and Python - we teach good PHP and Python Practice! - (2013-06-18)
  [4621] The power of scripting - (2016-01-12)

A504 - Web Application Deployment - Java - Terminologes, Technologies and releases.
  [4317] Java - an update of the basics - (2014-11-16)


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