code: public static boolean isAssignableTo(String classInternalName, Class<?> type) {
          checkArgNotNull(classInternalName, "classInternalName");
          checkArgNotNull(type, "type");
          return type.isAssignableFrom(getClassForInternalName(classInternalName));
      }
docs: Determines whether the class with the given descriptor is assignable to the given type.
  
  @param classInternalName the class descriptor
  @param type              the type
  @return true if the class with the given descriptor is assignable to the given type