interface MinMax<T extends Comparable<T>> {
    T min();
    T max();
}

class MyClass<T extends Comparable<T>> implements MinMax<T> {
    T[] vals;
    
    MyClass(T[] o) {
        vals = o;
    }
    
    public T min() {
        T v = vals[0];
        for (int i = 1; i < vals.length; i++) {
            if (vals[i].compareTo(v) < 0) {
                v = vals[i];
            }
        }
        return v;
    }
    
    public T max() {
        T v = vals[0];
        for (int i = 1; i < vals.length; i++) {
            if (vals[i].compareTo(v) > 0) {
                v = vals[i];
            }
        }
        return v;
    }
}

class Main {
    public static void main(String[] args) {
        Integer[] inums = {3, 6, 2, 8, 6};
        Character[] chs = {'b', 'r', 'p', 'w'};
        
        MyClass<Integer> iob = new MyClass<Integer>(inums);
        MyClass<Character> cob = new MyClass<Character>(chs);
        
        System.out.printf("min/max in iob = %d, %d\n", iob.min(), iob.max());
        System.out.printf("min/max in cob = %c, %c\n", cob.min(), cob.max());
    }
}