initial.

src/AssessmentPartThree.java

@@ -8,8 +8,27 @@ public class AssessmentPartThree {
 	// - so a becomes b, b becomes c, etc
 	// If a value of -2 is chosen a becomes y, b becomes z and so on
 	
-	 public char enryptedCharacter(char theChar, int theOffset)
-	 {
+	public char enryptedCharacter(char theChar, int theOffset) {
+		char returnChar = theChar;
+		int x = 0;
+		String alphabet = "abcdefghijklmnopqrstuvwxyz";
+		if (Character.isUpperCase(theChar)) {
+			alphabet = alphabet.toUpperCase();
+		}
+		for (int i = 0; i < alphabet.length(); i++) {
+			char character = alphabet.charAt(i);
+			if (character == theChar) {
+				x = i + theOffset;
+				if (x > 26) {
+					x = (x - 26);
+				}
+				if (x < 0) {
+					x = (x + 26);
+				}
+				returnChar = alphabet.charAt(x);
+			}
+		}
+
 		 // 05 - encryptedCharacter
 		 // Complete this method so that it returns the encrypted character for
 		 // theChar when and offset of theOffset is used
@@ -17,16 +36,23 @@ public class AssessmentPartThree {
 		 // Lower case characters remain lower case, upper case remain upper case
 		 // Any other characters are returned unchanged
 		 
-		 return 'a';
+		 return returnChar;
 	 }
 	 
-	 public String encryptedString(String theMessage, int theOffset)
-	 {
-		 // 06 - encryptedMessage
-		 // Complete this method so that it uses encryptedCharacter to 
-		 // return the encrypted version of theMessage using theOffset
-		 
-		 return "Encryptred message";
-	 }
-	
+	public String encryptedString(String theMessage, int theOffset) {
+		
+		String alphabet = "abcdefghijklmnopqrstuvwxyz";
+		String codedString = "";
+		char[] theMessageChars = theMessage.toCharArray();
+		int x = -1;
+		for (int i = 0; i < theMessage.length(); i++) {
+			char character = theMessage.charAt(i);
+			
+			codedString+=enryptedCharacter(character,theOffset);
+			
+			//codedString = String.valueOf(theMessageChars);
+		}
+		return codedString;
+	}
+
 }