java find biggest number in array

1public int getIndexOfLargest( int[] array )
2{
3  if ( array == null || array.length == 0 ) return -1; // null or empty
4
5  int largest = 0;
6  for ( int i = 1; i < array.length; i++ )
7  {
8      if ( array[i] > array[largest] ) largest = i;
9  }
10  return largest; // position of the first largest found
11}

1for (int counter = 1; counter < decMax.length; counter++)
2{
3     if (decMax[counter] > max)
4     {
5      max = decMax[counter];
6     }
7}
8
9System.out.println("The highest maximum for the December is: " + max);

1int max = (The provided List).stream().max((i1,i2)->(i1>i2)?1:(i1<i2)-1:0).get();