I completed this assignment

StringParser.java

      */
     public static String upperCaseString(String s)
     {
-        return null;
+        String newVar = new String(s);
+
+        return newVar.toUpperCase();
     }
 
     /**
      * @return String
      */
     public static String lowerCaseString(String s) {
-        return null;
+        String newVar = s.toLowerCase();
+        return newVar;
     }
 
     /**
      * @return String
      */
     public static Character getFirstCharacter(String s) {
-        return null;
+        char newVar = s.charAt(0);
+        return newVar;
+
     }
 
     /**
      * @return String
      */
     public static Character getNthCharacter(String s, Integer n) {
-        return null;
+        char newVar = s.charAt(n);
+        return newVar;
+
     }
 
     /**
      * @return String
      */
     public static String upperCaseFirstCharacter(String s) {
-        return null;
+        String newVar = s.substring(0, 1).toUpperCase() + s.substring(1);
+
+        return newVar;
+
     }
 
     /**
      * @return String
      */
     public static String camelCaseString(String s) {
-        return null;
+        String stringLc = s.toLowerCase();
+        String[] stringArray = stringLc.split(" ");
+        String finalString = ""; 
+        for(int i = 0; i<stringArray.length; i++){
+            finalString += stringArray[i].substring(0,1).toUpperCase();
+            finalString += stringArray[i].substring(1);
+        }
+        return finalString;
     }
 
     /**
      * @return String
      */
     public static String snakeCaseString(String s) {
-        return null;
+        String snakeCase = s.replaceAll(" ","_").toLowerCase();
+        return snakeCase;
     }
 
     /**
      * @return String
      */
     public static Integer getLength(String s) {
-        return null;
+        int returnedVar = s.length();
+        return returnedVar;
+     
     }
 
     /**
      * @return String
      */
     public static Boolean isEqual(String s1, String s2) {
-        return null;
+        return s1.equals(s2);
+            
     }
 
     /**
      * @return String
      */
     public static Boolean isEqualIgnoreCase(String s1, String s2) {
-        return null;
+        return s1.equalsIgnoreCase(s2);
     }
-}
+}

package.bluej

 dependency1.from=StringParserTest
 dependency1.to=StringParser
 dependency1.type=UsesDependency
-editor.fx.0.height=722
-editor.fx.0.width=800
-editor.fx.0.x=455
-editor.fx.0.y=51
+editor.fx.0.height=814
+editor.fx.0.width=1052
+editor.fx.0.x=126
+editor.fx.0.y=23
 objectbench.height=164
 objectbench.width=776
 package.divider.horizontal=0.6