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 Tools and Libs > Jodd > Beans > How to get bean property type by name

How to get bean property type by name 

Jodd is an open-source java library with lot of reusable components and feature rich utilities. This requires the library jodd-3.3.2.jar to be in classpath. The following example shows how to get bean property type given the property name using BeanUtil.getPropertyType() API.

File Name  :  
com/bethecoder/tutorials/jodd/common/Student.java 
   
package com.bethecoder.tutorials.jodd.common;

public class Student implements java.io.Serializable {

  private static final long serialVersionUID = -5962595557796049374L;
  private String name;
  private int age;
  private String hobby;

  public Student() {
  }

  public Student(String name, int age, String hobby) {
    super();
    this.name = name;
    this.age = age;
    this.hobby = hobby;
  }

  public String getName() {
    return name;
  }
  public void setName(String name) {
    this.name = name;
  }
  public int getAge() {
    return age;
  }
  public void setAge(int age) {
    this.age = age;
  }
  public String getHobby() {
    return hobby;
  }
  public void setHobby(String hobby) {
    this.hobby = hobby;
  }
  
  public String toString() {
    return "Student[name = " + name + ", age = " + age + ", hobby = " + hobby + "]";
  }
}
   

File Name  :  
com/bethecoder/tutorials/jodd/beans/GetPropertyTypeTest.java 
Author  :  Sudhakar KV
Email  :  kvenkatasudhakar@gmail.com
   
package com.bethecoder.tutorials.jodd.beans;

import jodd.bean.BeanUtil;

import com.bethecoder.tutorials.jodd.common.Student;

public class GetPropertyTypeTest {

  /**
   @param args
   */
  public static void main(String[] args) {
    
    Student std = new Student("Sriram"2"Chess");
    
    Class<?> nameClazz = BeanUtil.getPropertyType(std, "name");
    System.out.println(nameClazz);
    
    Class<?> ageClazz = BeanUtil.getPropertyType(std, "age");
    System.out.println(ageClazz);
    
    Class<?> hobbyClazz = BeanUtil.getPropertyType(std, "hobby");
    System.out.println(hobbyClazz);
  }

}
   

It gives the following output,
class java.lang.String
int
class java.lang.String


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