java - Need to know about one PMD rule -

java - Need to know about one PMD rule -

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when should 1 utilize final method parameters , local variables? 15 answers

i utilize pmd tool find errors in java code if any. 1 mutual suggestion pmd gives "local variable {local_variable} declared final". necessary declare local variables final if it's state not changed further?

is necessary declare local variables final if it's state not changed further?

no not necessary, except in 1 situation: if need access variable within anonymous class.

is practice create local variable final when don't change?

this subjective - think clutters code unnecessarily , if follow coding practice, methods should short plenty , self-explanatory plenty making variables final should not required.

java optimization code-cleanup