Learn how and when to use the Object.hashCode(), Objects.hashCode() and Objects.hash().

Learn several methods for generating secure random passwords in Java.

Explore more than one way of removing and replacing a substring in Java.

A quick and practical overview of the new functionality in Java 10.

A quick and practical guide to the most interesting features coming to Java 9.

Learn several methods how to achieve l-trim and r-trim in java.

A comprehensive guide to transactions in distributed environments.

Learn how to split a string in such a way that the delimiters are part of the result

In this tutorial, we'll explore the differences between sequential and parallel streams using Stream Api.

Learn how to read data from a Java Server Socket.

Learn how to work with assertions in Java using the assert keyword.

Learn about the "class, interface, or enum expected" Java compiler error and how to fix it

Interested to learn about Apache Ant 1.10.10? Check our article explaining how junitlauncher task eases better test result summary

A quick example and explanation of the contains API of the standard String class in Java.

Explore multiple methods to convert String to BigDecimal values.

How to Convert between an Array and a Set Using Plain Java, Guava or Apache Commons Collections.

Learn how to check if a key exists in a Map in Java and a common pitfall.

Learn how to use the if-else statement in Java.

Learn how to generate random numbers in Java - both unbounded as well as within a given interval.

Explore character encoding in Java and learn about common pitfalls.