Java IQ #41 - Reverse a String in-place (LeetCode #344 #javaplacementcourse #javainterviewquestions

You might already know how to reverse a string using StringBuilder's reverse method. But, do you know the 2 pointer approach ? This is asked in LeetCode #344. You are specifically asked to do this with as less memory as possible O(1). The answer is really easy. Check out the solution in this video.

#campushire
#javaplacementcourse
#javainstitute