What is bubble sort

Answer 1

Well you can find many examples online, here's an interesting one:-

https://www.youtube.com/watch?v=MtcrEhrt_K0

Answer 2

An algorithm used to sort an array or collection.

Answer 3

Array Sorting Algorithm. He takes the first number of array and compares it with the following numbers, and swaps his position if its value is greater than value of next number. If next number is greater than current number, it stops and repeats from beginning until array is sorted.