Learn various ways to remove the contents of a file without deleting the file.

Learn different techniques for merging maps in Java 8

Learn how to get the mac addresses of network card interfaces in Java.

Learn about Java's toString method.

Learn various methods to find the least common multiple of two numbers in Java

Learn multiple ways to capture a heap dump in Java

Learn the difference between & and && in Java

A quick example of generating simple ASCII arts in Java.

Explore how to use JDWP together with JDB, both JDK tools.

New release of GraalVM, Speculating over the fate of Loom and Valhalla, Building a server framework, Cloud computing and climate change, and in praise of humility!

Learn how to check if an array is sorted in Java.

A quick tutorial to dealing with ZoneOffset and ZoneId in Java.

How to convert an InputStream to a byte[] using plain Java, Guava or Commons IO.

Learn how to properly stop a Thread in Java.

Let's understand the cause behind NoSuchFieldError and how to resolve it.

Learn about a few tools that we can use to import certificates in .cer format into the client's truststore

See how to implement the Singleton Design Pattern in plain Java.

Some programming languages provide easy ways to return multiple values from a method. In Java, there are a few similar options, depending on the types.

A quick and practical guide to summing numbers with Java Stream API.