diff --git a/core-java-modules/core-java-numbers-6/src/main/java/com/baeldung/endianness/Endianness.java b/core-java-modules/core-java-numbers-6/src/main/java/com/baeldung/endianness/Endianness.java
new file mode 100644
index 0000000000..b84f301ee8
--- /dev/null
+++ b/core-java-modules/core-java-numbers-6/src/main/java/com/baeldung/endianness/Endianness.java
@@ -0,0 +1,17 @@
+package com.baeldung.endianness;
+
+import java.nio.ByteBuffer;
+
+public class Endianness {
+
+    public static void main(String[] args) {
+        int value = 123456789;
+        byte[] bytes = ByteBuffer.allocate(4)
+          .putInt(value)
+          .array();
+
+        for (byte b : bytes) {
+            System.out.format("0x%x ", b);
+        }
+    }
+}