https://www.hackerrank.com/challenges/mini-max-sum/problem
public static void miniMaxSum(List<Integer> arr) {
// Write your code here
Collections.sort(arr);
BigInteger sum = BigInteger.ZERO;
for (int i = 0; i < arr.size(); i++){
sum =sum.add(BigInteger.valueOf(arr.get(i)));
}
System.out.print(sum.subtract(BigInteger.valueOf(arr.get(arr.size()-1).intValue()))+" ");
System.out.print(sum.subtract(BigInteger.valueOf(arr.get(0).intValue())));
}