A JavaBean is a platform-independent component. A component or Bean is a reusable entity (commonly a visual entity) that can be plugged-into other applications. A Bean must adhere to specific rules so to allow the IDE or builder tool to discover its features through introspection. A Bean has certain properties, certain characteristics, that can be changed at design time. After changing its properties, the Bean can be made persistent as to save its state. Check out the examples in this category!