The language is irrelevant; this is the maximum value of a 32-bit signed integer. Specifically, 2,147,483,647. Java (and other languages) have other ways of r

The language is irrelevant; this is the maximum value of a 32-bit signed integer. Specifically, 2,147,483,647. Java (and other languages) have other ways of representing numbers which allow larger values, but once you've encoded values into wire protocols and persistent data structures, they tend to be hard to change.