diff --git a/src/test/examplesJava9/backport/ByteBackportJava9Main.java b/src/test/examplesJava9/backport/ByteBackportJava9Main.java
new file mode 100644
index 0000000..2487a81
--- /dev/null
+++ b/src/test/examplesJava9/backport/ByteBackportJava9Main.java
@@ -0,0 +1,38 @@
+package backport;
+
+public final class ByteBackportJava9Main {
+  private static final byte MIN_UNSIGNED_VALUE = (byte) 0;
+  private static final byte MAX_UNSIGNED_VALUE = (byte) -1;
+
+  public static void main(String[] args) {
+    testCompareUnsigned();
+  }
+
+  private static void testCompareUnsigned() {
+    assertTrue(Byte.compareUnsigned(MIN_UNSIGNED_VALUE, MIN_UNSIGNED_VALUE) == 0);
+    assertTrue(Byte.compareUnsigned(MIN_UNSIGNED_VALUE, Byte.MAX_VALUE) < 0);
+    assertTrue(Byte.compareUnsigned(MIN_UNSIGNED_VALUE, Byte.MIN_VALUE) < 0);
+    assertTrue(Byte.compareUnsigned(MIN_UNSIGNED_VALUE, MAX_UNSIGNED_VALUE) < 0);
+
+    assertTrue(Byte.compareUnsigned(Byte.MAX_VALUE, MIN_UNSIGNED_VALUE) > 0);
+    assertTrue(Byte.compareUnsigned(Byte.MAX_VALUE, Byte.MAX_VALUE) == 0);
+    assertTrue(Byte.compareUnsigned(Byte.MAX_VALUE, Byte.MIN_VALUE) < 0);
+    assertTrue(Byte.compareUnsigned(Byte.MAX_VALUE, MAX_UNSIGNED_VALUE) < 0);
+
+    assertTrue(Byte.compareUnsigned(Byte.MIN_VALUE, MIN_UNSIGNED_VALUE) > 0);
+    assertTrue(Byte.compareUnsigned(Byte.MIN_VALUE, Byte.MAX_VALUE) > 0);
+    assertTrue(Byte.compareUnsigned(Byte.MIN_VALUE, Byte.MIN_VALUE) == 0);
+    assertTrue(Byte.compareUnsigned(Byte.MIN_VALUE, MAX_UNSIGNED_VALUE) < 0);
+
+    assertTrue(Byte.compareUnsigned(MAX_UNSIGNED_VALUE, MIN_UNSIGNED_VALUE) > 0);
+    assertTrue(Byte.compareUnsigned(MAX_UNSIGNED_VALUE, Byte.MAX_VALUE) > 0);
+    assertTrue(Byte.compareUnsigned(MAX_UNSIGNED_VALUE, Byte.MIN_VALUE) > 0);
+    assertTrue(Byte.compareUnsigned(MAX_UNSIGNED_VALUE, MAX_UNSIGNED_VALUE) == 0);
+  }
+
+  private static void assertTrue(boolean value) {
+    if (!value) {
+      throw new AssertionError("Expected <true> but was <false>");
+    }
+  }
+}