Im trying to learn the Best Case, Average case, and Worse case Data. I kinda understand them and I kinda don't.

Example:

Would the Worse case be n^2 number of steps?Code:for(i = 1; i<n, i++) for(j=0; j<n-1; j++) if(A[j] > A[i] {Switch = A[j]; A[j] = A[j+1]; A[j+1] = Switch; }