In this post we show Log4j example configuration that logs messages to a configured log file, and creates backups when needed.
In this post we show Log4j example configuration that logs messages to console (standard output), which is very useful when testing applications!
In Java int to String conversion can be done in a different ways and converted String can be in different formats. In this post we’ll show on examples how to convert them.
In Java String to int conversion can be done in a few different ways. In this post we’ll show them and describe differences.
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.
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.
Java XML validate using SchemaFactory
There are a few ways to validate XML file in Java. In this post we show how to use SchemaFactory to validate XML against XSD Schema from file.
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!
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.
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.