InterviewSolution
Saved Bookmarks
| 1. |
Which of these methods can be used to obtain set of all keys in a map?(a) getAll()(b) getKeys()(c) keyall()(d) keySet() |
|
Answer» The correct option is (d) keySet() To explain I would say: keySet() methods is used to get a set containing all the keys used in a map. This method provides set view of the keys in the invoking map. |
|