SetData

import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

public class SetData {
    public static void main(String[] args) {
        Set<Integer> integers = new HashSet<>(Arrays.asList(60, 40, 213, 542, 54, 76, 89));
        Integer integerSum = integers.stream().mapToInt(Integer::intValue).sum();
        System.out.println("The sum is: " + integerSum);
        double average = integerSum/integers.size();
        System.out.println("The average is: " + average);
        int maxList = Collections.max(integers);
        System.out.println("The max element is: " + maxList);
        int minList = Collections.min(integers);
        System.out.println("The min element is: " + minList);
    }
}