Groovy Meta Object Programming

class Example {
   static void main(String[] args) {
      Student mst = new Student();
      mst.Name = "Joe";
      mst.ID = 1;
		
      println(mst.Name);
      println(mst.ID);
   }
}

class Student implements GroovyInterceptable { 
   protected dynamicProps=[:]
	
   void setProperty(String pName,val) {
      dynamicProps[pName] = val
   }
   
   def getProperty(String pName) {
      dynamicProps[pName]
   } 
}