In C# Suppose variable nums contains a list of integers. List«Integer> nums = Arrays.asList(1, 1, 2, 3, 4, 1, 3, 2, 4, 3, 3, 1); var nums = new List«int> { 1, 1, 2, 3, 4, 1, 3, 2, 4, 3, 3, 1 } Using Java Stream API *or* LINQ, write a short code that prints the following. For each section indicate the platform (whether the solution is given in Java or C# LINQ). A) Print all numbers. B) Print the sum() of the numbers. C) count how many times number '1' appears in the list.

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Q: Problem Attached

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Map

A map is defined as the name of a higher-order function in most of the programming languages that applies a given function to each element of a functor, such as a list, and returns a list of results in the same order. A map is also called the collection of values based on a key, i.e. a key and value pair. A map has its own set of keys. Duplicate keys are not permitted in the Map, although duplicate values are permitted. Because a Map cannot be navigated, it must be converted to a Set using the keySet() or entrySet() methods. For key-value association mapping, such as dictionaries, maps are ideal.