How to create instance of subclass with constructor from super class

Question

I\'d like to create a registry for classes which are subclasses of a super class. The classes are stored in a map which acts as registry. A class is picked from the registry dep

Answer 1

Constructors need to be defined explicitly in the subclass. If a constructor is defined in superclass that doesn't mean that constructor can be used to create an instance of subclass whether you are using reflection or not.

Since your SubClass2 doesn't have constructor with one argument, so when you try to create an instance of it with one argument, it's throwing NoSuchMethodException.