Code & Cluster

In the last blog on Java Executors I introduced Executors which have been the preferred way of writing multi-threaded programs in java sinc...

The old way of creating threads in Java was to extend the java.lang.Thread class or to implement the java.lang.Runnable interface and pass i...

MapReduce is a parallel programming technique made popular by Google. It is used for processing very very large amounts of data. Such proces...

Spring security is a framework that lets you add security to spring based applications. Before Spring security, developers had to rely on J2...

In the Java programming world, there is some misunderstanding around the volatile keyword. Most programmers never use it and you rarely see ...

Certain types of code like logging, monitoring, security access checks, transaction boundary management etc apply to all methods in the appl...

In Object oriented programming, inheritance is concept that lets programmers re-use code as well specialize existing code. In Java, a class,...