Understanding Java’s key principles is essential for building reliable, scalable applications. This guide dives into the different types of exceptions, explaining how exception handling can prevent runtime errors and maintain smooth functionality. It also covers OOP abstraction, a critical concept that enables developers to simplify complex code by hiding details and focusing on essential features, thus making Java applications easier to manage and scale. Additionally, learn about core Java components that serve as the building blocks for applications, from JVM (Java Virtual Machine) to libraries and frameworks. Perfect for both beginners and seasoned developers refining their Java expertise