As demonstrated in the Arrays section of the Java Tutorials, the System class provides an arraycopy method that can be used to copy the contents from one array into another. The method below shows ...

One of the most common needs with collections is sorting. Java has long had a built-in Arrays.sort method, and Collections.sort allows for sorting by natural order or using a custom comparator.

you'll need to answer important Java garbage collection interview questions to land the job. Here are 10 of the most common and important Java garbage collection interview questions that any technical ...

DevOps professionals who tend real-time Java applications are wont to ask for a mechanism to force Java garbage collection and free up a few megabytes in memory. Unfortunately, this desire to ...

I haven't used the apache collections library, but guava is the very first thing I add to any new java project. Even if you completely exclude the collections part altogether, it is still insanely ...