diff --git a/src/test/java/com/ossez/lang/tutorial/tests/BitOperationTest.java b/src/test/java/com/ossez/lang/tutorial/tests/BitOperationTest.java
new file mode 100644
index 0000000000..eb570df0dd
--- /dev/null
+++ b/src/test/java/com/ossez/lang/tutorial/tests/BitOperationTest.java
@@ -0,0 +1,36 @@
+package com.ossez.lang.tutorial.tests;
+
+import org.apache.commons.math3.util.FastMath;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 
+ * @author YuCheng
+ *
+ */
+public class BitOperationTest {
+
+	private final static Logger logger = LoggerFactory.getLogger(BitOperationTest.class);
+
+	/**
+	 * 35 https://www.lintcode.com/problem/reverse-linked-list/description
+	 */
+	@Test
+	public void testInt2Bit() {
+		logger.debug("BEGIN");
+		System.out.println(Integer.toBinaryString(5));
+		System.out.println(Integer.toBinaryString(2));
+
+		System.out.println(Integer.toBinaryString(2 << 2));
+
+		System.out.println(Integer.parseInt(Integer.toBinaryString(2 << 2), 2));
+
+		System.out.println(5 / 3);
+		System.out.println(5 % 3);
+		FastMath.pow(2, 3);
+
+	}
+
+}