Java by API/java.beans/BeanInfo

BeanInfo: getEventSetDescriptors()

   <source lang="java">
 

import java.beans.BeanInfo; import java.beans.EventSetDescriptor; import java.beans.Introspector; import java.beans.PropertyDescriptor; public class Main {

 public static void main(String args[]) {
   try {
     Class c = Class.forName("Colors");
     BeanInfo beanInfo = Introspector.getBeanInfo(c);
     System.out.println("Properties:");
     PropertyDescriptor propertyDescriptor[] = beanInfo.getPropertyDescriptors();
     for (int i = 0; i < propertyDescriptor.length; i++) {
       System.out.println("\t" + propertyDescriptor[i].getName());
     }
     System.out.println("Events:");
     EventSetDescriptor eventSetDescriptor[] = beanInfo.getEventSetDescriptors();
     for (int i = 0; i < eventSetDescriptor.length; i++) {
       System.out.println("\t" + eventSetDescriptor[i].getName());
     }
   } catch (Exception e) {
     System.out.println("Exception caught. " + e);
   }
 }

}

 </source>
   
  
 
  

BeanInfo: getPropertyDescriptors()

   <source lang="java">
 

import java.beans.BeanInfo; import java.beans.Introspector; import java.beans.PropertyDescriptor; public class Main {

 public static void main(String[] argv) throws Exception {
   BeanInfo bi = Introspector.getBeanInfo(MyBean.class);
   PropertyDescriptor[] pds = bi.getPropertyDescriptors();
   for (int i = 0; i < pds.length; i++) {
     String propName = pds[i].getDisplayName();
     System.out.println(propName);
   }
 }

} class MyBean {

 public String getProp1() {
   return null;
 }
 public void setProp1(String s) {
 }
 public int getProp2() {
   return 0;
 }
 public void setProp2(int i) {
 }
 public byte[] getPROP3() {
   return null;
 }
 public void setPROP3(byte[] bytes) {
 }

}

 </source>