APIs (Application Programming Interfaces): APIs are sets of rules and protocols that allow different software applications to communicate with each other. They define how different components should interact and exchange data.
java.lang package:The java.lang package is a built-in package in Java that provides fundamental classes and basic functionalities such as String manipulation, math operations, and exception handling.
Frameworks: Frameworks are pre-designed structures or templates that provide a foundation for building applications. They often include libraries and tools that help developers streamline the development process by providing ready-made solutions for common tasks.