Java by API/java.beans/Introspector

Introspector: getBeanInfo(Class<?> beanClass)

  
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) {
  }
}