Before renting or buying a multifamily dwelling you should know the __ of the building

What is stored in str after the following code executes? string str = "computer science"; int i = 0; while (i < 8) { if (str.indexof("m") < i) { str = str.substring(0, 2) + str; } i += 2; } computer science cocomputer science cococomputer science cocococomputer science computer scienceco

What is the algorithm for building a binary tree program

Plz ( which is an example of a good url?