solves power of 3

Author: anishLearnsToCode

Diff for: src/PowerOfThree.java

@@ -0,0 +1,13 @@
+public class PowerOfThree {
+    public static boolean isPowerOfThree(int number) {
+        if (number == 0) {
+            return false;
+        }
+
+        while (number % 3 == 0) {
+            number /= 3;
+        }
+
+        return number == 1;
+    }
+}