http://gprussell.net/blog Occasional articles from the fascinating world of Java (or anywhere else, really) Sun, 01 Nov 2009 01:23:57 +0000 http://backend.userland.com/rss092 en Bad - MyBar is tightly coupled to MyFoo [sourcecode lang="java"] public class MyFoo{ public void someMethod() { ... } } public class MyBar { private MyFoo foo = new MyFoo; } [/sourcecode] Good - MyBar refers to the interface Foo; ... http://gprussell.net/blog/2009/10/31/dependency-injection-explained-2-mins/ More details to follow, but here are the cliff notes... After moving WinXP disk to this platform, received the dreaded 0x7e stop on boot; google pointed me to a problem with intelpmp.dll, but this wasn't my (initial) problem; I couldn't even boot from the XP install disk which is not ... http://gprussell.net/blog/2009/07/28/msi-k9n2-sli-platinum-amd-phenom-9600-x4-0x0000007e-stop/ I was recently engaged to help debug and fix some code that was implemented as a Finite State Machine (FSM). There were no existing JUnit tests for the code, so I set about to write some. However, as one would expect with such an architecture, simple code coverage is not ... http://gprussell.net/blog/2009/01/03/enhanced-code-coverage-for-finite-state-machines/ Setting aside the discussion of stubs Vs. mocks in JUnit testing (that is covered more than adequately elsewhere), let's say you've decided to use stubs, for whatever reason. Please understand that the simple examples in this article may be more appropriately handled with mocks; they are for illustrative purposes only Now, let's ... http://gprussell.net/blog/2008/12/25/proxying-your-stubs/ It is nearly 30 years since I graduated as an industrial engineer; back then, as the "new kid on the block", I was given the assignment of being the liason to the IT (then called Data Processing) department. Yes, I'm an old fart and, yes, we had punched cards back ... http://gprussell.net/blog/2008/12/23/customer-comes-first/