How Java's ClassLoader Loads Classes Dynamically Java uses a powerful and flexible ClassLoader mechanism to load classes into the JVM at runtime. This allows Java programs to load code on demand, support modular applications, and enable dynamic linking. At runtime: → The Bootstrap ClassLoader loads core Java classes like java.lang and java.util from the JVM’s internal libraries. → The Extension (Platform) ClassLoader loads standard extension libraries from the JVM’s extension directories. → The Application (System) ClassLoader loads classes from the application’s classpath, including your .class files and external libraries. → Custom ClassLoaders can be created to load classes from special sources such as databases, encrypted files, or remote servers. → Class loading follows the parent delegation model, where each ClassLoader first asks its parent to load a class before trying itself. → Once a class is found, the ClassLoader reads its bytecode, verifies it, and defines it inside the JVM so it can be executed. → Dynamic class loading enables features like plugins, hot-swapping, modular software architecture, and runtime dependency resolution. The result: Java’s ClassLoader system allows classes to be discovered, verified, and linked dynamically, ensuring security, flexibility, and powerful runtime extensibility. Want to go deeper? Check out this ebook: Mastering Java: From Fundamentals to Advanced Concepts codewithdhanian.gumroad.com/…