Day 19: Interfaces
Sat May 07 2022 23:21:14 GMT+0000 (Coordinated Universal Time)
Saved by
@GreenMark
#javascript
import java.io.*;
import java.util.*;
interface AdvancedArithmetic{
int divisorSum(int n);
}
class Calculator implements AdvancedArithmetic {
public int divisorSum(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) {
Scanner scan = new Scanner(System.in);
int n = scan.nextInt();
scan.close();
AdvancedArithmetic myCalculator = new Calculator();
int sum = myCalculator.divisorSum(n);
System.out.println("I implemented: " + myCalculator.getClass().getInterfaces()[0].getName() );
System.out.println(sum);
}
}
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