This big difference in syntax is definitely pretty delicate and may result in a "gotcha" which happens to be explained by Monthly bill Wagner in a write-up entitled @Jenix In that scenario, it's a technique instead of a property. You would reference it somewhere else like var someString = Foo.HelloWorld(); https://propertyingurugram.in/south-gurugram-fast-emerging-as-a-preferred-destination-for-luxury-housing/