How do you find all subclasses of a given class in Java?

How do you find all subclasses of a given class in Java?

java class interface subclass

java

How to test if one java class extends another at runtime?

java subclass instanceof class-hierarchy

java

When do you need to explicitly call a superclass constructor?

java constructor subclass superclass

java

Getting the name of a sub-class from within a super-class

java class subclass super superclass

java

How to check if a subclass is an instance of a class at runtime? [duplicate]

java subclass instanceof

java