Check if a generic T implements an interface

Question

so I have this class in Java:

public class Foo{
}

and inside this class I want to know if T implements certain interface.

The

Answer 1

Use isAssignableFrom()

isAssignableFrom() determines if the class or interface represented by this Class object is either the same as, or is a superclass or superinterface of, the class or interface represented by the specified Class parameter.

if (SomeInterface.class.isAssignableFrom(T class)) {
  //do stuff
}