How to set and get the field values using java Reflection | Reflection in java

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Student.java

class Student
{
    public String name;
    public int age; 
}

ReflectionDemo.java

import java.lang.reflect.Field;

/**
 *
 * Getting and Setting Field Values.
 *
 */
public class ReflectionDemo
{
    public static void main(String[] args)
    {
        try
        {
            Class<Student> classObj = Student.class;
            /*
             * Returns:the Field object of this class specified by name
             */
            Field ageField = classObj.getField("age");
            System.out.println("Field Name = " + ageField.getName());
            System.out.println("Field Type = " + ageField.getType());

            Student student = classObj.newInstance();
            /*
             * Sets the field represented by this Field object on the specified
             * object argument to the specified new value.
             */
            ageField.set(student, 23);
            Object ageValue = ageField.get(student);
            System.out.println("age =  "+ageValue);
        }
        catch (NoSuchFieldException | SecurityException
                | IllegalArgumentException | IllegalAccessException
                | InstantiationException e)
        {
            e.printStackTrace();
        }
    }

}

Output

Field Name = age
Field Type = int
age =  23

Click the below link to download the code:

https://sites.google.com/site/ramj2eev1/home/javabasics/ReflectionDemo_get_set_field.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/ReflectionDemo_get_set_field

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/eca56e82732b6bdecf5c1f7d98c23f5bc231a672/BasicJava/ReflectionDemo_get_set_field/?at=master

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