init commit

Week2.java

@@ -0,0 +1,35 @@
+/**
+ * Sum of Multiples of 3 or 5.
+ *
+ * In this week's club challenge, find the sum of each multiple of either 3 or 5, with the condition that the multiple is less than 1000.
+ *      eg. For multiples of 3 or 5 below 10, the answer would be the 3 + 5 + 6 + 9 = 23.
+ *
+ * Credit: Project Euler Problem 1.
+ */
+public class Week2 {
+
+    /**
+     * HINT: Solution 1 uses 1000 iterations in 1 loop. 
+     */
+    public static int problem1() {
+        return -1; // TODO
+    }
+
+    /**
+     * BONUS CHALLENGE: Find a more efficient solution for problem 1 (ie. a solution that uses less than 1000 iterations).
+     */
+    public static int problem2() {
+        return -1; // TODO
+    }
+
+    /**
+     * Test driver should not be edited!
+     */
+    public static void main(String[] args) {
+        int sum1 = problem1();
+        int sum2 = problem2();
+
+        System.out.println(sum1 == 233168 ? "Problem 1 is correct!" : "Problem 1 (" + sum1 + ") is not correct...");
+        System.out.println(sum2 == 233168 ? "Problem 2 is correct!" : "Problem 2 (" + sum2 + ") is not correct...");
+    }
+}