Design Pattern: the Asynchronous Dispatcher
Today we’ll revisit a common design pattern, the Observer, and one of its derivative for multi-threaded processing: the Asynchronous Dispatcher.
Java 8 Lambda in details part V : Functional interface definition and lambda expression implementation
In this last post we’ll look at the functional interface formal definition and the way lambda expressions are implemented.
Java 8 Lambda in details part IV : Multiple inheritance resolution for defender methods
In this post we’ll look at conflict resolution rules for multiple inheritance introduced along with defender methods in JDK 8.
Java 8 Lambda in details part III : Method and constructor referencing
In this third post dedicated to Java 8 Lambda expressions, we’ll look at the new :: operator introduced to allow method and constructor referencing.
Java 8 Lambda in details part II : Scoping of “this” and “effectively final” variable semantic
In this second post, we’ll look at the scoping of the this keyword inside a lambda expression and the semantic of the so called “effectively final” local variables.
Java 8 Lambda in details part I : Closure and Mutability
This article is the first one of a serie dedicated to Java 8 Lambda expressions. The purpose is not to introduce the main concepts of lambda expressions, many blogs over there do it very well. The idea is to shed…
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Design Pattern: the Pipeline
Today we’ll have a look into the Pipeline pattern, a design pattern inspired from the original Chain of Responsibility pattern by the GoF
Variable shadowing
Today we’ll look into a rare feature of Java: variable shadowing First, let’s define what is a shadowed field or method: A field is considered shadowed when a subclass of its declaring class declares a field with the same name…
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Final variable in Java
This short article introduces the definition and usage of final variables in Java and some interesting use cases.
Object immutability in Java
I’ve seen many developers struggling with subtle mutability issues in Java. This article will expose the major gotchas of object immutability.