In this article, we'll look at the String Pool and how it works in the Java programming language. Code examples illustrate the string immutability and string pool.
This article shows what are ArrayIndexOutOfBoundsException and IndexOutOfBoundsException and how to avoid both of them using the enhanced for loop and Iterator.
How to configure initial Spring application and import it to IntelliJ IDEA, using Spring Initialzer website.
This post introduces the reader to simple but fundamental concepts regarding backend engineering. Understanding scalability, reliability, and maintainability make a system effective, trusty, and exetensible.
How to validate a date in yyyy-MM-dd String format using Java regex features: Pattern, String, and Matcher classes
This article shows how to round down or round up a number using the floor and ceil functions from the Java Math class.