Category: Articles

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Learn how to work with optional parameters in Java. Tackle optional arguments, list, maps and other collections. Is Java 8 Optional right solution?

A list of useful Java 9 tutorials and courses for Java developers to explore new JDK 9 features

Oracle Groundbreaker Award winner Graeme Rocher’s new open source project fills a growing need in a cloud native, polyglot world.

Interested to learn about API Testing? Check our article presenting an essential guide for API Testing and Automation 101.

Explore features of the Java Enum implementation.

1. Overview of Spring Security Integration with GrailsSpring Security touts a number of authenticat…

A quick tour around Java Queue interface and its implementations.

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I have a List of Strings and a Map. Every key in the map needs to present in the list else I need to throw an exception. As of now I am looping the list and checking the key and throw exception if …

Scala is a powerful object-oriented and functional programming language which has been long touted as the successor to Java or to replace J…

I want to convert one string array to list with specific range. In my case I always want from index 1 to last index. I don’t need the index 0 value included in the list. Is there any direct method …

Learn about Java’s toString method.