encryption

public class encryption {

    public static void main(String[] args) {
        // TODO Auto-generated method stub

        //inputs
        String originalSentence;
        String convertion = "";
        int asciiCode = 0;

        //go through original sentence and add ASCII code to encrypt each character
        //add 3 to each character to attach them in the encrypted sentence
        System.out.println("Please write down your sentence");
        originalSentence = TextIO.getln(); //accept choice as String

        for(int i=0; i<originalSentence.length(); i++)
        {
            asciiCode = (int) (originalSentence.charAt(i));
            asciiCode+=3;
            convertion = convertion + Character.toString((char)asciiCode);
        }


        System.out.println("Original sentence is converted to " + convertion);


        //set original sentence to blank
        originalSentence = "";

        //decrypt the jumbled sentence
        //subtract 3 from each character and attach them to the sentence
        for(int i=0; i<convertion.length(); i++)
        {
            asciiCode = (int) (convertion.charAt(i));
            asciiCode -=3;
            originalSentence = originalSentence + Character.toString((char)asciiCode);
        }


        System.out.println("Sentence converted back to original: " + originalSentence);


    }//class ends

}//program ends