Completed

StringParser.java

      */
     public static String upperCaseString(String s)
     {
-        return null;
+        String result = s.toUpperCase();
+        return result;
     }
 
     /**
      * @return String
      */
     public static String lowerCaseString(String s) {
-        return null;
+        String result = s.toLowerCase();
+        return result;
     }
 
     /**
      * @return String
      */
     public static Character getFirstCharacter(String s) {
-        return null;
+        char result = s.charAt(0);
+        return result;
     }
 
     /**
      * @return String
      */
     public static Character getNthCharacter(String s, Integer n) {
-        return null;
+        char result = s.charAt(n);
+        return result;
     }
 
     /**
      * @return String
      */
     public static String upperCaseFirstCharacter(String s) {
-        return null;
+        String result = s.substring(0,1).toUpperCase() + s.substring(1);
+        return result;
     }
 
     /**
      * @return String
      */
     public static String camelCaseString(String s) {
-        return null;
+        String lC = s.toLowerCase();
+        StringBuilder sb = new StringBuilder(lC.substring(0,1).toUpperCase());
+
+        for(int i = 1; i<lC.length(); i++){
+            
+            if(lC.charAt(i)==' '){
+                i++;
+                sb.append(lC.substring(i,i+1).toUpperCase());
+            } else {
+                sb.append(lC.charAt(i));
+            }
+        }
+        
+        String result = sb.toString();
+        return result;
     }
 
     /**
      * @return String
      */
     public static String snakeCaseString(String s) {
-        return null;
+        String lowerCase = s.toLowerCase();
+        String result = lowerCase.replace(' ','_');
+        return result;
     }
 
     /**
      * @return String
      */
     public static Integer getLength(String s) {
-        return null;
+        return s.length();
     }
 
     /**
      * @return String
      */
     public static Boolean isEqual(String s1, String s2) {
-        return null;
+        boolean result = s1.equals(s2) ? true : false;
+        return result;
     }
 
     /**
      * @return String
      */
     public static Boolean isEqualIgnoreCase(String s1, String s2) {
-        return null;
+        boolean result = s1.equalsIgnoreCase(s2) ? true : false;
+        return result;
     }
 }

package.bluej

 dependency1.from=StringParserTest
 dependency1.to=StringParser
 dependency1.type=UsesDependency
-editor.fx.0.height=722
+editor.fx.0.height=714
 editor.fx.0.width=800
 editor.fx.0.x=455
-editor.fx.0.y=51
+editor.fx.0.y=23
 objectbench.height=164
 objectbench.width=776
 package.divider.horizontal=0.6