Latest Articles

24 November 2014

In this article we will cover the Java 8 Date Time API.

Java 8 brought a completely redefined Date-Time API. One important feature - similarly to other already existing 3rd party API's - is that the great majority of the API objects that represent date and... Read more

Java 8 Collect

26 October 2014

In this article we will see how to use the collect operation over Java 8 streams in order to implement functional style programming reductions.

As we have seen previously in Java 8 Reduction, the reduction provided by the reduce operation will use an accumulator function that is used to - as the name states - accumulate the current reduction ... Read more

java java8

Java 8 Reduction

15 October 2014

In this article we will cover functional programming style reductions introduced by Java 8.

Reduction assumes an important role in functional programming. It is usually executed as the last step of a sequence of functional operations that are executed over a stream of elements and produces a... Read more

java java8

Java 8 Parallel Streams

30 September 2014

In this article we will cover Java 8 Parallel Streams.

As we have seen previously in Java 8 Streams, Java 8 introduced streams as way to perform functional operations over collections of elements. In this article we will see how we may take advantage of t... Read more

java java8

Java 8 Streams

17 September 2014

In this article we will cover Java 8 Streams.

Java 8 introduced streams as way to perform functional operations over collections of elements, such as the traditional map-reduce transformations. In this article we will cover the most important fea... Read more

java java8

Java 8 Optional

02 August 2014

In this article we will cover Java 8 Optional.

As the Optional documentation states, it's a container object which may or may not contain a non-null value. Google Guava library users may be already familiar with the Optional class since it was alr... Read more

java java8

Java 8 Consumer and Supplier

17 July 2014

In this article we will cover Java 8 Consumer and Supplier interfaces.

The Consumer and Supplier interfaces are a couple of Functional Interfaces that belong to the new Java 8 java.util.function package. As the package name states, these interfaces are meant to be used t... Read more

java java8

Java 8 Predicates and Functions

12 July 2014

In this article we will cover Java 8 Predicate and Function interfaces.

Google Guava library users are already familiar with the concepts that we will cover in this article. Predicate and Function are a couple of useful Functional Interfaces introduced in Java 8 (more inf... Read more

java java8

About the author

Gonçalo Marques is a Software Engineer with several years of experience in software development and architecture definition. During this period his main focus was delivering software solutions in banking, telecommunications and governmental areas. He created the Bytes Lounge website with one ultimate goal: share his knowledge with the software development community. His main area of expertise is Java and open source.

GitHub profile: https://github.com/gonmarques

He is also the author of the WiFi File Browser Android application: