Adding solution

Author: josdem

simple-algorithms/counting-uppercase/src/main/java/com/josdem/kata/UppercaseCounter.java

@@ -3,10 +3,10 @@
 public class UppercaseCounter {
 
     public int count(String message) {
-        return message.length();
+        return message.chars().filter(Character::isUpperCase).toArray().length;
     }
 
     public boolean hasSpace(String message) {
-        return message.isEmpty();
+        return message.contains(" ");
     }
 }