LeetCode 1768 | Merge String Alternatively #100daysofcode #leetcodechallenge #javaprogramming #dsa

The code merges two strings, word1 and word2, alternately into a single string.
StringBuilder in Java is a mutable class used for efficiently constructing strings by appending or inserting characters. It avoids the overhead of creating new string objects during concatenation and provides methods for modifying strings in-place, such as append, insert, delete, and replace