Java-1470 Split libraries module

libraries-6/src/main/java/com/baeldung/fj/FunctionalJavaIOMain.java

@@ -0,0 +1,43 @@
+package com.baeldung.fj;
+
+import fj.F;
+import fj.F1Functions;
+import fj.Unit;
+import fj.data.IO;
+import fj.data.IOFunctions;
+
+public class FunctionalJavaIOMain {
+
+    public static IO<Unit> printLetters(final String s) {
+        return () -> {
+            for (int i = 0; i < s.length(); i++) {
+                System.out.println(s.charAt(i));
+            }
+            return Unit.unit();
+        };
+    }
+
+    public static void main(String[] args) {
+
+        F<String, IO<Unit>> printLetters = i -> printLetters(i);
+
+        IO<Unit> lowerCase = IOFunctions.stdoutPrintln("What's your first Name ?");
+
+        IO<Unit> input = IOFunctions.stdoutPrint("First Name: ");
+
+        IO<Unit> userInput = IOFunctions.append(lowerCase, input);
+
+        IO<String> readInput = IOFunctions.stdinReadLine();
+
+        F<String, String> toUpperCase = i -> i.toUpperCase();
+
+        F<String, IO<Unit>> transformInput = F1Functions.<String, IO<Unit>, String> o(printLetters).f(toUpperCase);
+
+        IO<Unit> readAndPrintResult = IOFunctions.bind(readInput, transformInput);
+
+        IO<Unit> program = IOFunctions.bind(userInput, nothing -> readAndPrintResult);
+
+        IOFunctions.toSafe(program).run();
+
+    }
+}