Web16 mrt. 2024 · You should see the following output when you run your Scala application in IntelliJ: Step 1: How to initialize a sequence of donut prices Donut prices = List (1.5, 2.0, 2.5) 2. How to sum all the donut prices using foldLeft function. The code below shows how to sum all the donut prices from the sequence by using the foldLeft method. Web16 aug. 2024 · Diane is a faculty member of the Harvard Business School. She serves on the Board of Heinz Kraft Company and Centivo, as well as the National Academy of Human Resources, the SHRM Executive Council ...
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Scala Lists are quite similar to arrays which means, all the elements of a list have the same type but there are two important differences. First, lists are immutable, which means elements of a list cannot be changed by assignment. Second, lists represent a linked list whereas arrays are flat. Meer weergeven All operations on lists can be expressed in terms of the following three methods. The following example shows how to use the above methods. Meer weergeven You can use List.fill()method creates a list consisting of zero or more copies of the same element. Try the following example program. Meer weergeven You can use either ::: operator or List.:::() method or List.concat()method to add two or more lists. Please find the following example given below − Meer weergeven You can use a function along with List.tabulate()method to apply on all the elements of the list before tabulating the list. Its arguments are just like those of List.fill: the … Meer weergeven Web29 aug. 2009 · Therefore the inferred type of the list elements will be AnyVal, which is the first common supertype of them, so your outer list will become List[List[AnyVal]]. If you … WebInstead, just some of the most commonly-used methods will be shown, including: map; filter; foreach; head; tail; take, takeWhile; drop, dropWhile; reduce; The following … how far is washington dc from canada