diff --git a/src/test/java/com/ossez/lang/tutorial/tests/codility/CodilityBinaryGapTest.java b/src/test/java/com/ossez/lang/tutorial/tests/codility/CodilityBinaryGapTest.java
new file mode 100644
index 0000000000..f430a4f5d0
--- /dev/null
+++ b/src/test/java/com/ossez/lang/tutorial/tests/codility/CodilityBinaryGapTest.java
@@ -0,0 +1,56 @@
+package com.ossez.lang.tutorial.tests.codility;
+
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * <p>
+ * More details about question see link below
+ * <ul>
+ * <li>@see <a href= "https://www.cwiki.us/display/ITCLASSIFICATION/Binary+Gap">https://www.cwiki.us/display/ITCLASSIFICATION/Binary+Gap</a>
+ * </li>
+ * </ul>
+ * </p>
+ * 
+ * @author YuCheng
+ *
+ */
+public class CodilityBinaryGapTest {
+
+	private final static Logger logger = LoggerFactory.getLogger(CodilityBinaryGapTest.class);
+
+	/**
+	 * 
+	 */
+	@Test
+	public void testMain() {
+		logger.debug("BEGIN");
+
+		int N = 529;
+		String intStr = Integer.toBinaryString(N);
+
+		intStr = intStr.replace("1", "#1#");
+
+		String[] strArray = intStr.split("1");
+
+		int maxCount = 0;
+		for (int i = 0; i < strArray.length; i++) {
+			String checkStr = strArray[i];
+			int countLength = 0;
+
+			if (checkStr.length() > 2 && checkStr.startsWith("#") && checkStr.endsWith("#")) {
+				checkStr = checkStr.replace("#", "");
+				countLength = checkStr.length();
+
+				if (maxCount < countLength) {
+					maxCount = countLength;
+				}
+
+			}
+		}
+
+		logger.debug("MAX COUNT: [{}]", maxCount);
+	}
+
+}