classLoadergetResourceAsStreamconfigproperties

ClassLoaderGet is a conceptual term referring to the process by which a Java Virtual Machine (JVM) obtains or creates a ClassLoader object. ClassLoaders are responsible for loading Java classes into the JVM. When a class is needed, the JVM delegates the task of finding and loading that class to a ClassLoader. There are typically three main ClassLoaders involved in the standard Java execution environment: the Bootstrap ClassLoader, the Extension ClassLoader, and the System ClassLoader.

The Bootstrap ClassLoader is the root of the ClassLoader hierarchy and is responsible for loading core Java API classes. The Extension ClassLoader loads classes from the Java extension directory. The System ClassLoader, also known as the Application ClassLoader, loads classes from the application's classpath.

The `ClassLoader.getSystemClassLoader()` method is a concrete implementation of this concept, returning the system ClassLoader for the current application. Other methods like `Thread.currentThread().getContextClassLoader()` can be used to retrieve the context ClassLoader of the current thread, which is often important in multi-threaded applications or when using frameworks that employ custom ClassLoaders. Understanding how to get and use ClassLoaders is crucial for tasks such as dynamic class loading, plugin architectures, and managing different versions of libraries within an application.