Project Euler Problem 1 Solution in Java- Multiples of 3 and 5

Problem 1

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.

Find the sum of all the multiples of 3 or 5 below 1000.

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public class Problem_1 {

  public static void main(String[] args) {

    int n=10;
    int sum=0;
    for (int i=0; i<1000; i++) {
      if (i%3==0)
        sum+=i;
      else
        if (i%5==0)
          sum+=i;
    }
    System.out.println("Sum is "+sum);
  }
}

Answer: Sum is 233168