LeetCode Problem 28. Find the Index of the First Occurence in a String || Java Solution Walkthrough

LeetCode is a great platform for people who want general coding practice, whether that be for interviews or just wanting to practice their problem solving. I will be taking you through all the steps of finding the optimal solution to each problem on the site following a logical ordering setout by LeetCode themselves.

In this video, we are going over the problem 28. Find the Index of the First Occurence in a String and the goal is to loop through the entire string and determine whether or not an exact string called needle is contained inside of a string called haystack.

There are two ways we can approach this, we could either cheat the problem and use the included String method called indexOf, or we could use a technique called the sliding window technique, where we try to match the String we are looking for inside the haystack based on the size of that needle string.

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