A Java Bean is a java class that should follow following conventions:
- It should have a no-arg constructor.
- It should be Serializable.
- It should provide methods to set and get the values of the properties, known as getter and setter methods.
Why use Java Bean?
|According to Java white paper, it is a reusable software component. A bean encapsulates many objects into one object, so we can access this object from multiple places. Moreover, it provides the easy maintenance.|
Simple example of java bean class
How to access the java bean class?
|To access the java bean class, we should use getter and setter methods.|
Note: There are two ways to provide values to the object, one way is by constructor and second is by setter method.