For the code below:

for (int i = 0; i < n - 1; i++) {

if (A[i] > A[i + 1]) {

int temp = A[i];

A[i] = A[i + 1];

A[i + 1] = temp;

}

}

1. what does it do? why am I seeing temp twice?

2. provide another way to write the code