Chained method invocation VS JavaBeans introspection

Chain.java

package org.acm.afilippov;

import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;

public class Chain {
    private int i;

    public int getI() {
        return i;
    }

    public Chain setI(int i) {
        this.i = i;
        return this;
    }

    public static void main(String[] args) throws IntrospectionException {
        PropertyDescriptor[] propertyDescriptors = Introspector.getBeanInfo(Chain.class).getPropertyDescriptors();
        for (PropertyDescriptor propertyDescriptor : propertyDescriptors) {
            System.out.println("property = " + propertyDescriptor.getDisplayName());
            System.out.println("read = " + propertyDescriptor.getReadMethod());
            System.out.println("write = " + propertyDescriptor.getWriteMethod());
        }
    }
}