Inline array definition in Java
There are occasion when it is more convenient to create an array inline. Here are several way to declare and initialise primitive arrays and java.util.Lists type arrays. [...]
Java 8
How to Format a String, Clarified!
A User-Friendly Introduction The Java Documentation of String formatting is not the easiest to read and understand if you are not familiar with String formatting or just want [...]
Enum: How to use name() and toString() methods correctly
The Difference Between Two Methods? The Java Enum has two methods that retrieve that value of an enum constant, name() and .toString(). The toString() method calls the [...]
Java is #1: But we knew that already
It’s always nice to have your commitment to Java confirmed and this month it was TIOBE who showed that Java is still the number one most used programming languages, [...]
PowerMock and Java8 Streams
Recently I was writing some units tests, as all good developers should, and ran into an issue with a test that made use of the IntStream of(int t) method. The test execution [...]
Richardson Maturity Model and Pizzas
What do Pizzas and the Richardson Maturity Model have in common? Find out in my latest blog post where I explain the model’s four levels with the help of some tasty [...]
Java 8 Streams: .filter and Predicate Negation
Recently there was an interesting discussion on the use of predicate negation in the .filter method on a stream by members of the LJC mailing list, so I thought it would be [...]
Strategy Pattern Implemented as an Enum
Discover an alternative way to implement the classic GOF strategy pattern using the humble enum. With code examples, you will see two interesting ways to implement strategy [...]
Switch Statements
Contrary to if-then-else statements, a switch statement can have numerous possible paths of execution. Switches work on primitive data types such as integer as well as [...]
Clean Code: Variables
We know how the code we write works, we understand it, we don’t need comments, it’s obvious, of course, we wrote it. This is what we all think and its true – well [...]