Exception Handling in Java
Mastering Exception Handling in Java: A Comprehensive Guide for Developers and Automation Testers Have you ever had a perfectly written piece of code crash unexpectedly? In the world of Java, these "crashes" are often known as Exceptions . Understanding how to manage them is the difference between a fragile application and a robust, production-ready system. In this post, we’ll break down everything you need to know about Java Exceptions—from the basic hierarchy to real-world Selenium automation examples. 1. What exactly is an Exception? In Java, an Exception is an event that occurs during the execution of a program that disrupts the normal flow of instructions. Think of it as a "red flag" thrown by the JVM (Java Virtual Machine) saying, "I don't know how to proceed with this." A classic example: Java int a = 10 / 0 ; // This throws an ArithmeticException because division by zero is mathematically undefined. 2. The Exception Hierarchy To handle ex...