The Chinese meaning of Bean is "bean". As the name suggests, JavaBean is a Java applet. JavaBean actually refers to a special Java class, which is usually used to implement some common simple functions and can be easily reused or inserted into other applications.
JavaBeans is a special class in Java that can encapsulate multiple objects into one object.
The feature is that it can be serialized, provides a parameterless constructor, and provides getter methods and setter methods to access the properties of the object.
The "Bean" in the name is the idiomatic name for reusable software components used in Java.
The so-called component is a group composed of one or several classes that can be managed internally by themselves, and the outside world does not understand its internal information and operation methods. Objects using it can only be manipulated through the interface.
All Java classes that follow certain programming principles can be called JavaBeans.
Java Bean is a component model based on Java,consists of three parts: properties, methods and events.
In this model, JavaBeans can be modified or combined with other components to generate new components or complete programs.
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