Java Beans Expression class

public class Person {
   private String name;

   public Person() {
      this("Jane", 23);
   }/*w  ww . jav a2  s  .c  om*/

   public Person(String name, int age) {
      this.name = name;
   }

   public String getName() {
      return name;
   }

   public void setName(String name) {
      this.name = name;
   }
}

import java.beans.Expression;
public class Main {

   public static void main(String args[]) {
      Person person = new Person();
      String arguments[] = { "Peter" };
      Expression expression = new Expression(null, person, "setName", arguments);

      try {//  w w  w . ja v a 2 s . c om
         System.out.println("Name: " + person.getName());
         expression.execute();
         System.out.println("Name: " + person.getName());

         System.out.println();
         expression = new Expression(null, person, "getName", null);
         System.out.println("Name: " + person.getName());
         expression.execute();
         System.out.println("getValue: " + expression.getValue());
      } catch (Exception ex) {
         ex.printStackTrace();
      }
   }

}