Constructor getConstructor(Class... parameterTypes)
Returns a Constructor object that reflects the specified public constructor of the class represented by this Class object.
Constructor[] getConstructors()
Returns an array containing Constructor objects reflecting all the public constructors of the class represented by this Class object.
Constructor getDeclaredConstructor(Class... parameterTypes)
Returns a Constructor object that reflects the specified constructor of the class or interface represented by this Class object.
Constructor[] getDeclaredConstructors()
Returns an array of Constructor objects reflecting all the constructors declared by the class represented by this Class object.