Sum of multiple of 3 or 5

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 static void main(String []args){ int sum = 0; for (int x = 0; x < 10; x++) { if (x % 3 == 0 || x % 5 == 0) sum += i; } System.out.print(sum); }