This variance in syntax is actually rather refined and can result in a "gotcha" which happens to be described by Bill Wagner in a very submit entitled @Jenix In that circumstance, It really is a method rather than a property. You'd reference it somewhere else like var someString = Foo.HelloWorld(); https://propertyingurugram.in/gurgaon-real-estate-alert-now-buyers-have-to-spend-more-for-gurugram-properties-here-is-why/