Best Practice for defining constants?

[sburke781]

I new someone has explained to me why this is important.... Took a while to find it...

How to Lint Hubitat Groovy code?

The issue with repetitive literals is that in groovy they are actually reappeared in memory, whereas in Java, duplicate literals are normalized, creating a single instance. This is a memory issue. If you repeat the same literal more than once, assign it to a variables and reference the variable. It saves memory and does not slow things down at all.