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Point out the wrong statement.

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Point out the wrong statement.

(a) addDeprecations adds a set of deprecated keys to the global deprecations

(b) configuration parameters cannot be declared final

(c) addDeprecations method is lockless

(d) none of the mentioned

The question was posed to me during an interview.

I'd like to ask this question from Hadoop Configuration in portion Working of MapReduce of Hadoop

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Correct answer is (b) configuration parameters cannot be declared final

To explain: Configuration parameters may be declared final.

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