Minibooks

Concurrency is always a challenge for developers and writing concurrent programs can be extremely hard. There is a number of things that could potentially blow up and the complexity of systems rises considerably when concurrency is introduced. Howeve …

We have provided plenty of JUnit tutorials here at Java Code Geeks, like JUnit Getting Started Example, JUnit Using Assertions and Annotations Example, JUnit Annotations Example and so on. However, we prefered to gather all the JUnit features in one …

Annotations in Java are a major feature and every Java developer should know how to utilize them. We have provided an abundance of tutorials here at Java Code Geeks, like Creating Your Own Java Annotations, Java Annotations Tutorial with Custom Annot …

It’s been a while since Java 8 is out in the public and everything points to the fact that this is a really major release. We have provided an abundance of tutorials here at Java Code Geeks, like Playing with Java 8 – Lambdas and Concurrency, Java 8 …

This is a summary of some of the most important questions concerning the Spring Framework, that you may be asked to answer in an interview or in an interview test procedure! There is no need to worry for your next interview test, because Java Code Ge …

Android is an operating system based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablet computers. Android OS has taken over the world of mobile devices and is growing rapidly the last few years.A …

Your Java VM is basically the foundation of your Java program which provides you with dynamic memory management services, garbage collection, Threads, IO and native operations and more. The Java Heap Space is the memory “container” of you runtime Jav …

One of the problems of Object Orientation is how to map the objects as the database requires. A common issue is when table and column names do not match with the domain model of our application. The basic Java framework to access the database is JDBC …