Add a method to AnimalMonitor that takes three parameters- spotterlD and daylD - and and returns a String containing the names of the animals seen by the spotter on a particular day. You should include only animals whose sighting count is greater than zero, but don't worry about excluding duplicate names if multiple non-zero sighting records were made of a particular animal. Hint: The principles of using reduce with String elements and a String result are very similar to those when using integers. Decide on the correct identity and formulate a two-parameter lambda that combines the running "sum" with the next element of the stream.
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