Sorting - Selection Sort

public int[] selectionSort(int[] a)
{
   int min,temp;
   for (int i = 0; i < a.length-1; i++)
   {
      min =i;
      for (int j = i+1; j < a.length; j++)
         if (a[j] < a[min])
            min = j;
      temp = a[i];
      a[i] = a[min];
      a[min]= temp;
   }
   return a;
}