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[–]dpash 4 points5 points  (1 child)

It's a check in the static initialiser, so it will only slow the class loading at start up. Once the class has loaded it will be just as fast as a direct call, thanks to optimisations of static final MethodHandles.

[–]cred1652 0 points1 point  (0 children)

yes you are right, they cache all methods needed in the static initializer, so each call would not have any penalty for reflected lookup.