The java "syntax" doesn't matter. The IDE provides context-sensitive cues as one types so that you don't have the cognitive paper-cut from having to think for

The java "syntax" doesn't matter. The IDE provides context-sensitive cues as one types so that you don't have the cognitive paper-cut from having to think for even a second if "1m" means "one minute" or "one month". At a deeper level, chaining method calls to build-up an object is perfectly understandable way to modify something like a date.