diff --git a/core-java-modules/core-java-security/src/main/java/com/baeldung/folding/Main.java b/core-java-modules/core-java-security/src/main/java/com/baeldung/folding/Main.java
new file mode 100644
index 0000000000..47ae11c80c
--- /dev/null
+++ b/core-java-modules/core-java-security/src/main/java/com/baeldung/folding/Main.java
@@ -0,0 +1,21 @@
+package com.baeldung.folding;
+
+import java.util.stream.IntStream;
+
+public class Main {
+    public static void main(String... arg) {
+        final String key = "Java language";
+
+        toAsciiCodes(key).forEach(c -> System.out.println(c));
+        // toAsciiCodes(key).reduce(new ArrayList<Integer>(), (accum, i) -> i);
+        // List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5, 6);
+        // numbers.stream()
+        // .reduce(new ArrayList<Integer>(), (k, v) -> new ArrayList<Integer>());
+        // System.out.println(result);
+    }
+
+    public static IntStream toAsciiCodes(String key) {
+        return key.chars();
+    }
+
+}