List property names of a Bean : JavaBeans « Development « Java Tutorial

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2. Development
3. JavaBeans

import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.io.Serializable;

public class Main {
  public static void main(String[] argv) throws Exception {
    BeanInfo beanInfo = Introspector.getBeanInfo(Fruit.class);
    PropertyDescriptor[] pds = beanInfo.getPropertyDescriptors();

    for (PropertyDescriptor pd : pds) {
      String propertyName = pd.getName();
      System.out.println("propertyName = " + propertyName);
    }
  }
}

class Fruit implements Serializable {
  private Long id;

  private String name;

  private double price;

  public Fruit() {
  }

  public Long getId() {
    return id;
  }

  public void setId(Long id) {
    this.id = id;
  }

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }
  public double getPrice() {
    return price;
  }

  public void setPrice(double price) {
    this.price = price;
  }
}