int[]？ a={8，7， 1，6，484，54，8 }； //Define an array
int？ sum？ =? 0;
For what? (int？ Me? :? a)？ {
sum+= I； //Sum all elements in the array.
}
system . out . println(" average:"+sum/a . length)；
//Maximum method 1
arrays . sort(a)； //Arrays are sorted in ascending order.
int？ max = a[a . length- 1]； //Get the last number of the array
system . out . println(" Maximum:"+max)；
//Maximum Method 2
int？ max 1 = 0； //Assume that this number is the maximum.
For what? (int？ Me? =? 0; ? Me? & lt？ A. length; ? i++)？ {
What if? (a[I]& gt； max 1)？ {
max 1 = a[I]； //The value of an element in the array is greater than the current maximum. Assign this value to max 1.
}
}
system . out . println(" maximum:"+max 1)；
}