finishd camel, reverse, reversecamel

src/main/java/com/zipcodewilmington/assessment1/part1/BasicStringUtils.java

@@ -9,23 +9,30 @@ public class BasicStringUtils {
      * @return string with identical content, and the first character capitalized
      */
     public static String camelCase(String str) {
-        return null;
+        String result = str.substring(0, 1).toUpperCase() + str.substring(1);
+        return result;
+//        return null;
     }
 
     /**
      * @param str string input from client
      * @return string with identical contents, in the reverse order
      */
     public static String reverse(String str) {
-        return null;
+        String result = new StringBuilder(str).reverse().toString();
+        return result;
+//        return null;
     }
 
     /**
      * @param str string input from client
      * @return string with identical contents, in reverse order, with first character capitalized
      */
     public static String reverseThenCamelCase(String str) {
-        return null;
+        String reverse = new StringBuilder(str).reverse().toString();
+        String result = reverse.substring(0, 1).toUpperCase() + reverse.substring(1);
+        return result;
+//        return null;
     }