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DIY: Find and Replace in a String

Explore how to implement a function that performs substring replacements in Java strings only when source substrings align with specified indices. Learn to handle varying substring lengths and update strings accordingly to solve common coding interview problems.

Problem statement

For this challenge, you will be given a string, s. Your task will be to perform replacement operations in this string that replace substrings with new ones and return the resultant string. For the replacements, you will be given a list of indices, a list of strings called ...