Java implements the conversion of bean classes and maps to each other

Create Class Personbean, with Properties Name,age and MN, to generate get and set methods

Main method

Map2bean Method:

Bean2map Method:

Test results:

Summary: JavaBean and map<string,object> are used in the Java introspection ( introspector) and reflection (reflect) mechanisms. The idea is to get the BeanInfo information of an object through the class Introspector, then get the descriptor PropertyDescriptor of the property by BeanInfo, and then use the property descriptor to get the getter/of a property. Setter method, and then through the reflection mechanism to getter and setter.

Java implements the conversion of bean classes and maps to each other