Syntax Practice: Set Contains

Write a method that will return true if the parameter value is in both of the given sets. Try to use only one line of code in the method....

Write a method that returns true if all values in the given array are in the given set. If any value from values is not in numberSet,...

Write a method that will return a string indicating whether or not the double value is in doubleSet. For example if dSet contained {4.5,...