A quick and practical guide to compressing/uncompressing a byte array using the Deflater/Inflater classes.

Learn the differences between defining a long value using literal representation and casting an int value to a long.

Explore two different approaches to rotating a string by n characters.

Explore several approaches for writing strings to an OutputStream in Java.

Explore UTF-8 encoded bytes and string conversion and different types of UTF-8 validation based on byte and stream.

Explore several approaches to chеck if a Java StringBuildеr objеct contains a specific character.

Explore various approaches for sorting a list based on the order of elements in another list.

Explore the differences between Systеm.currеntTimеMillis() and Systеm.nanoTimе().

Explore multiple ways for avoiding scientific notation when printing double values in Java.

A quick and practical guide to parsing Java source code and extracting methods.

Explore the key differences between execute() and submit() in Executor Service.

Learn about generics and type erasure, along with its benefits and limitations, and explore various workarounds for getting a class of generic type information at runtime.

Learn how to quickly convert a byte array to JSON and vicе vеrsa in Java.

Explore a detailed comparison between for loops and iterators, highlighting their key distinctions in several aspects

In this article, we learn how to calculate month intervals between dates in Java.

A quick look at how to set the JAVA_HOME variable on Windows, Mac OS X, and Linux.

A quick tutorial on working with Excel files in Java using Apache POI and JExcel.

Learn how to use Drools as a Business Rule Management System (BRMS).

A quick and practical guide to inter-process communication in Java.

Learn how character encoding works and explore why String.length() and String.getBytes().length can produce different results.