21:31 03/12/18

src/AssessmentPartThree.java

@@ -8,7 +8,29 @@ 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 static void main(String[] args)
+	{
+		String input = "z";
+		
+		int offset = 3;
+		
+		System.out.print(input + " ");
+		System.out.println(encryptedString(input, offset));
+		
+		System.out.println(-3 % 26);
+		char a3 = (char) ((char) 'z' - 2); 
+		System.out.println(a3);
+		
+	}
+	
+	/*
+	"hello,5,mjqqt",
+	"Java Coding,-3,Gxsx Zlafkd",
+	"dandelion,8,livlmtqwv",
+	"ktixevzout,-6,encryption"
+	*/
+	
+	public static char enryptedCharacter(char theChar, int theOffset) //REMEMBER TO REMOVE STATIC
 	{
 	// 05 - encryptedCharacter
 	// Complete this method so that it returns the encrypted character for
@@ -18,46 +40,50 @@ public class AssessmentPartThree {
 	// Any other characters are returned unchanged
 	  
 	//Uppercase characters
-	if((theChar >= 65) && (theChar <= 90)) //65 to 90 = A to B
-	{
-	theChar = (char) (((theChar - 65 + theOffset) % 26) + 65);
-	}
-	//Lowercase characters
-	else if((theChar >= 97) && (theChar <= 122)) // 97 to 122 = a to b
-	{
-	theChar = (char) (((theChar - 97 + theOffset) % 26) + 97);
-	}
-	/*
-	theChar = (char) (((theChar - 97 + theOffset) % 26) + 97); formulae
+		if((theChar >= 65) && (theChar <= 90)) //65 to 90 = A to B
+		{
+			theChar = (char) (((theChar - 65 + theOffset) % 26) + 65);
+		}
+		//Lowercase characters
+		else if((theChar >= 97) && (theChar <= 122)) // 97 to 122 = a to b
+		{
+			theChar = (char) (((theChar - 97 + theOffset) % 26) + 97);
+		}
+		/*
+		theChar = (char) (((theChar - 97 + theOffset) % 26) + 97); formulae
 	                      (theChar - 97 - ASCII a/A to give value between 1 and 26  
 	            + theOffset) + the offset value
 	                      (                           % 26) % modulo ensures value is always between 1 and 26
 	                    (                                  + 97) + ASCII a/A to return result to ASCII char
 	              (char) result needs to be casted to char 
-	*/
-	return theChar;
+		 */
+		//COPY THIS OVER FROM LAB COMPUTER TO PRESERVE FORMATTING
+		
+		return theChar;
 	}
+	
+	//THE PROBLEM IS WITH MINUS NUMBERS!!!! NEED TO HAVE A WAY TO DEAL WITH IT ROLLING BACKWARDS!!!
 
 	 
-	public String encryptedString(String theMessage, int theOffset)
+	public static String encryptedString(String theMessage, int theOffset) //REMEMBER TO REMOVE STATIC
 	{
 	// 06 - encryptedMessage
 	// Complete this method so that it uses encryptedCharacter to 
 	// return the encrypted version of theMessage using theOffset
 	 
-	char chaMessageArr[] = theMessage.toCharArray();
-	char[] chaResultArr = new char[chaMessageArr.length];
-	//initialising Arrays
+		char chaMessageArr[] = theMessage.toCharArray();
+		char[] chaResultArr = new char[chaMessageArr.length];
+		//initialising Arrays
 	  
-	for(int i = 0; i < chaMessageArr.length; i++)
-	//loop to run through each character in encrypted message
-	{
-	chaResultArr[i] = enryptedCharacter(chaMessageArr[i], theOffset);
-	//passing each character to decryption method and saving result in array
-	}
+		for(int i = 0; i < chaMessageArr.length; i++)
+			//loop to run through each character in encrypted message
+		{
+			chaResultArr[i] = enryptedCharacter(chaMessageArr[i], (theOffset));
+			//passing each character to decryption method and saving result in array
+		}
 	 
-	return (new String(chaResultArr));
-	//converting result array into string, and returning this
+		return (new String(chaResultArr));
+		//converting result array into string, and returning this
 	}
 	
 }