Algorithms
This section is about solving simple algorithms, coding challenges, puzzles, katas and dojo material in Java.
Sum a Collection Biggest Number Most Popular in the array Common Elements in two Collections Number Counter Characters Counter Birthday Cake Candles String Compressor Sock Merchant Smallest Biggest Electronics Shop Square my List Digital Adder Sum a Collection Given an array of integers, find the sum of its elements.
import java.util.List; public class CollectionAdder { public int sum(List<Integer> numbers) { return numbers.
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