Ceasar Cipher Break

CeasarCipherBreak

	public static void main(String[] args) {

		String ciphertext = "HSPAASLJPWOLYALEAJVBSKILHWYVISLTIBAUVAPMPAPZHZOPMAJPWOLY";

		for(int shiftKey = 0; shiftKey < 26; shiftKey++)
		{ 
			String plainText = ""; 

			for (int i=0; i<ciphertext.length(); i++)
			{ 
				int asciiValue = (int) ciphertext.charAt(i); 

				int alphabetIndex = asciiValue - 65; 

				int newshiftedAsciiValue = -1000; 

				if (alphabetIndex - shiftKey < 0){ 

					newshiftedAsciiValue = 90 - (shiftKey - alphabetIndex) + 1; 
				} 
				else{ 
					newshiftedAsciiValue = 65 + (alphabetIndex - shiftKey); 
				} 
				
				plainText += (char) newshiftedAsciiValue; 

			} 
			
			System.out.println(plainText);
		}
	}