Marcus Biel Software Craftsman – JAVA Video Tutorials for Beginners

How to learn to estimate

7 Jul

07/07/2014 0

Could you estimate your age? Hmm, not bad but not correct though. Because 23 days, 4 hours, 52 minutes and 59 seconds were missing ;-). Estimation is never and should never be something out of the blue. The more you ... Read more »

Java Gurus

15 Jun

06/15/2014 2

Here’s a list of java guru’s I admire the most – they offer java education in form of publications, books or talks, on the most professional level I met so far. Kathy Sierra Robert C. Martin Joshua Bloch Brian Goetz ... Read more »

Anti-Pattern: Fear Driven Development

15 Jun

Over the years I’ve worked for a lot of companies and on a lot of different teams and one of the most common issues I saw was fear of the code that was written. I’d like to expose you to ... Read more »

What are invariants?

1 Jun

06/01/2014 0

Another easy concept, that for some reason, took me a while to understand – invariants. An (object oriented) software contains objects (of a certain domain), and each object has a state. Depending on the business domain / the business rules of the program ... Read more »

What is an object’s state?

1 Jun

A software always consists of data and behavior (business logic). The behavior are the (business) rules that define what the software should do – in a very easy form, think of a function like a + b = c. The function (behaviour ... Read more »

Thank you!