In the dynamic field of software development, writing clean, maintainable, and scalable code is crucial for both personal growth and...

A marker interface is an interface that has no methods or fields. It is used to provide metadata or tagging information to a class.

Learn how to validate mobile numbers effectively in Spring Boot REST APIs using annotations like @Pattern and regex. This step-by-step guide

Learn how to use Java 8 Streams to group employees by department, sort them by salary in descending order, and find the third highest salary