A Step-by-Step Guide to Constructing Bubble Sort The Bubble Sort algorithm sorts an array of items in increasing order. It steps through the array and compares the adjacent elements. If they are not sorted, it swaps them. It then keeps repeating the procedure until the array is fully sorted. Let’s jump into an example. The following elements are compared during the first iteration: 0 and 1, 1 and 2, 2 and 3, 3 and 4, and 4 and 5. In the first comparison of the first iteration, elements at indices 0 and 1 are compared. Since 3 is less than