How to return an array in Java

In previous articles, we have seen how we can return a value from a method in Java. There are situations where we need to return multiple values or an array from a function. This tutorial will guide you on how to return an array in Java of various data types. …

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Slowest Key Leetcode Solution

The problem Slowest Key Leetcode Solution provides us with a sequence of keys that have been pressed. We are also given an array or vector of times these keys have been released. The sequence of keys is given in the form of a string. So, the problem asked us to …

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Sum of Even Numbers After Queries

Problem Statement In this problem, we are given an array of integer and array of arrays queries. For the ith query, we will have two parameters, index and val. After each query, we add val to array[index]. We need to find the sum of all even integers in the array after …

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