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________ checks whether the given key is deprecated.

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________ checks whether the given key is deprecated.

(a) isDeprecated

(b) setDeprecated

(c) isDeprecatedif

(d) all of the mentioned

I had been asked this question in exam.

This is a very interesting question from Hadoop Configuration topic in chapter Working of MapReduce of Hadoop

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The correct answer is (a) isDeprecated

For explanation: Method returns true if the key is deprecated and false otherwise.

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