The arrays we used so far were uniform series arrays, where all the array elements stay in a simple list, like in a column. This is the structure of one-dimensional array, where all elements fit in one list (life is very simple). But sometimes, you may ne... (more…)

Let's look at the newer, slightly modified syntax for switch, called Switch Expressions. With it, case distinctions can be formulated much more elegantly than before. (more…)

Stack Overflow | The World’s Largest Online Community for Developers... (more…)

Here I describe five concise ways to copy file using java FileInputStream, NIO FileChannel class, Java 7 Files class, Guava API and Apache common IO. (more…)

At Cash we love AWS DynamoDB. It has a nice API, is highly available, and is able to scale with our growing business. (more…)