Java Programming Tutorials

Java programming tutorials with many code examples!

Java 8 reduce by example

Java 8 reduce is a great method to compute a value from stream of values – reduce collection to value. In this post we’ll explain how reduce in Java work.

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Maven use company repository

Maven use company repository (Nexus)

In this post we’ll show how to configure Maven to download project libraries from your company’s repository/mirror instead of the Internet.

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Groovy for Java Developers

Groovy for Java Developers – essentials

In this tutorial you will learn the most common features of Groovy that will allow you to get up and running in just a few minutes!

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Bubble Sort in Java

Bubble Sort is a sorting algorithm that repeatedly goes through an array and swaps adjacent elements that are not in order. In this post we’ll show how to implement it.

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MongoDB 3 array query operations

MongoDB 3 array query operations are very helpful and simplify digging in nested structures. In this post we’ll show how to create queries that match array elements in various ways.

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