First commit

src/AssessmentPartThree.java

@@ -17,7 +17,34 @@ public class AssessmentPartThree {
 		 // Lower case characters remain lower case, upper case remain upper case
 		 // Any other characters are returned unchanged
 		 
-		 return 'a';
+		 String Lowcase = "abcdefghijklmnopqrstuvwxyz";
+		 String Upcase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; // These strings are used to reference if the characeter is lower or uppercase
+		 
+		 char out = theChar; //creates an output for the encrypted character
+		 
+		 if (Character.isLowerCase(theChar)) { //checks the letter to see if it is lowercase
+			 int index = (Lowcase.indexOf(theChar) + theOffset); //sets the the index of the character
+			 if (index < 0) {
+				 out = Lowcase.charAt(26 + index); //if the index is negative count back from z
+			 } else if (index > 25) {
+				 out = Lowcase.charAt(index - 26); //if the index is more than 25 after z go back to A
+			 } else {
+				 out = Lowcase.charAt(index); //finds the position of the character and then shifts it by the offset value
+			 }
+			 
+		 } else if (Character.isUpperCase(theChar)) { //checks the letter to see if it is uppercase
+			 int index = (Upcase.indexOf(theChar) + theOffset);
+		 		if (index < 0) {
+		 			out = Upcase.charAt(26 + index);//if the index is negative count back from z
+		 		} else if (index > 25) {
+		 			out = Upcase.charAt(index - 26);  //if the index is more than 25 after z go back to A
+		 		}else {
+		 			out = Upcase.charAt(index);  //finds the position of the character and then shifts it by the offset value
+		 		}
+	 		}
+		 
+			 
+			return out;
 	 }
 	 
 	 public String encryptedString(String theMessage, int theOffset)
@@ -26,7 +53,20 @@ public class AssessmentPartThree {
 		 // Complete this method so that it uses encryptedCharacter to 
 		 // return the encrypted version of theMessage using theOffset
 		 
-		 return "Encryptred message";
+		 char [] outArr = new char [theMessage.length()]; //stores the the encrypted message into char
+		 
+		 for (int i = 0; i < theMessage.length(); i++) { //loops through each letter in the string
+			 outArr[i] = enryptedCharacter(theMessage.charAt(i),theOffset);
+		 }
+		 String out = new String(outArr); //converts the char into to string 
+			 
+			 
+			 return out;
+		 }
+		 
+		 
+		 
+		 
 	 }
 	
-}
+