Java by API/java.lang.reflect/ParameterizedType

ParameterizedType: getActualTypeArguments()

   <source lang="java">

import java.lang.reflect.ParameterizedType; import java.lang.reflect.Type; import java.util.ArrayList; public class MainClass {

 public static void main(String args[]) throws Exception {
   Type type = StringList.class.getGenericSuperclass();
   System.out.println(type); // java.util.ArrayList<java.lang.String>
   ParameterizedType pt = (ParameterizedType) type;
   System.out.println(pt.getActualTypeArguments()[0]);
 }

} class StringList extends ArrayList<String> { }

      </source>