Which method of the Map interface is used to check if a specific key is present in the map?Question 27Answera.containsKey()b.hasKey()c.keyExists()d.includesKey()
Question
Which method of the Map interface is used to check if a specific key is present in the map?Question 27Answera.containsKey()b.hasKey()c.keyExists()d.includesKey()
Solution
The method of the Map interface that is used to check if a specific key is present in the map is a.containsKey().
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