Closed biryu2205 closed 6 years ago
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import java.util.Scanner;
interface AdvancedArithmetic {
int divisor_sum(int n);
}
class MyCalculator implements AdvancedArithmetic {
public int divisor_sum(int n) {
int sum = 0;
for (int i = 1; i <= n; i++) {
if (n % i == 0) {
sum += i;
}
}
return sum;
}
}
class Solution {
public static void main(String[] args) {
MyCalculator my_calculator = new MyCalculator();
System.out.print("I implemented: ");
ImplementedInterfaceNames(my_calculator);
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
System.out.print(my_calculator.divisor_sum(n) + "\n");
sc.close();
}
/*
* ImplementedInterfaceNames method takes an object and prints the name of the interfaces it implemented
*/
static void ImplementedInterfaceNames(Object o) {
Class[] theInterfaces = o.getClass().getInterfaces();
for (int i = 0; i < theInterfaces.length; i++) {
String interfaceName = theInterfaces[i].getName();
System.out.println(interfaceName);
}
}
}