Exercises, examples and other material relating to training module J050. This module is presented on Private Courses and Specially Run Courses only

Java uses a virtual machine to allow portable code to be written, at the expense of some performance hit. Developed and provided by Sun Microsystems, Java is provided with the most enormous libraries which allow what is basically a small and simple language to spread its tentacles far and wide.Overview of Java

Articles and tips on this subject		updated
2504	Learning to program in ... At Well House Consultants, we offer courses at two levels in a number of program- ming languages. Our "learning to program in ..." courses are for delegates who have never programmed before, or who are rusty, who lack confidence, or want a refresher of the basic principles. Our "... programming" courses ...	2015-07-14 (longest)
4430	The spirit of Java - delegating to classes Building up towards the end of a Java course, I've been very much teaching the spirit of Java where code is delegated to classes and leaves the main application as a few short method calls, making it readable in its own right, and allowing code that uses the same data type to be shared between programs. ...	2015-02-19
4412	Java -making sure you have the right versions "Java is a portable language" ... "The binary .class files will work across platform". And indeed they will - within limits. I was teaching Java earlier today, using a Linux operating system on one of our delegate machines, and this evening I'm writing up examples on my backroom laptop - a system that ...	2015-02-04
4317	Java - an update of the basics Java is a programming language - a way of specifying a series of operations to be performed one after another to a computer which is written in a coded way - often described as "English Like" - rather than in a binary pattern of zeros and ones which all computers work with at the lowest level. If ...	2014-11-16
4305	Learning to program in Java - yes, we can help. Yes, we CAN teach you to program in Java. And we'll teach you with a view to the latest versions of Java too ... at the end of this article's a list of some of the things added to Java 8 (not yet the standard run time environemnt) and Java 7 and we will tell you about those as appropriate. We'll do ...	2014-09-26
3573	New in Java 7 - and why we are not running public Java 7 courses Java 7 (or Java 1.7, if you prefer that name) was launched last summer, with new / improved features including: * switch on a String object * try with resources allowing easier cleanup / reducing memory leak potential * catch allowing multiple exceptions in the same block to avoid need to repair code * ...	2012-01-14
2861	MySQL and Java - connectivity past, present, and future thoughts MySQL has migrated from MySQL AB (1995 to 2008) to Sun (2008 to 2010) to Oracle (from 27 Jan 2010) wizard:java graham$ /usr/local/mysql/bin/mysql -uwellho -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.1.48 MySQL Community ...	2010-07-09
2420	Exceptions in Java - why and how Although it's common practise to include a static main test program in a class, it's something that newcomers can have some difficulty following ... so we don't do it too early on the course - we keep classes and programs that use those classes (even if they are just test programs) each in their own ...	2009-09-25
2417	Java Programming Fundamentals Java Programming Fundamentals - sample programs from "hello world" through to objects, inheritance, arrays, packages and utility classes! This week, I'm running a small Learning to Program in Java course ... and I have taken advantage of the small group size to write a co-herent series of new examples ...	2009-09-24
2114	Which Version of Java am I running? Write a test program to use the getProperty method on System: public class Sample {   public static void main (String [] args) {   System.out.println("*** Hello Melksham ***");   System.out.println(System.getProperty("java.vm.vendor").toString());   System.out.println(System.getProperty("java.version").toString());   } } Compile ...	2009-04-02
2091	C, C++ and C# ... Java and JavaScript With all the words in the world, and the ability to make more up, isn't it astonishing that we have in our business some confusingly similar names for programming languages! C v C++ v C# C is the bedrock language that's used to write all the modern operating systems, device drivers, other languages, ...	2009-03-20
2087	Comparing Java Courses - what can we do? In answer to the question "Graham - what options can you offer me for a course similar to [gave me URL of an advanced server side Java course run by another training company, but not scheduled until late summer]?" from a potential course booker. I replied ... The description you have referred me to ...	2009-03-18

Adam.java	Hello World, and command line input
Aileen.java	Sorting an ArrayList
Bernie.java	static method (function) calls
Chloe.java	First use of variables and conditionals
Combine.java	Step 1 combo for full demo
Combo2.java	Combined demonstration - phase 2
Daniel.java	Integer Calculation
Edward.java	Shared code - load and run method from another class
Fred.java	Reading user input from keyboard
Glenda.java	loop, with break and continue
Hilary.java	Passing values in and out of a local method
Irene.java	Arrays - setup, fill, pass, process, length
Julie.java	Array of arrays (i.e. 2 dimensional array)
Keith.java	Using a class
Lenny.java	Static Methods, comparing objects
Margaret.java	String handling example
Niamh.java	loading a method from a class in a package
Orlando.java	Class within a package
Peter.java	underlying (base) class
Quentin.java	Calling in an extended class
Rolf.java	Extended class
Steve.java	A second extended class
Time.java	Base class for examples up to Lenny
Trevor.java	Polymorphism - an array of different objects
Ulrika.java	An array of objects
Viv.java	An ArrayList - an extendable array
WellHouseInput.java	Reading from the keyboard or a file
Wendy.java	Test program within a class
Xena.java	Example with and without exception handling
Yvonne.java	Directory listing, file i/o and formatting demo
Zoe.java	StringTokeniszer, ArrayList and Exception demonstration