public static void main(String... args)
    {

            MethodReferenceSAM methodReferenceSAM = MethodReference::toUpperCase;

        System.out.println(methodReferenceSAM.process("Static"));


            MethodReference methodReference = new MethodReference();

              methodReferenceSAM = methodReference::toLowerCase;

        System.out.println(methodReferenceSAM.process("Using constructore"));


        System.out.println(methodReference.toLowerThis("Using this"));



    }