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  1. Caesar Cipher
  2. Discussions

Caesar Cipher

  • gl018901
     + 0 comments

    JAVA solution

    public static String caesarCipher(String s, int k) {
    // Write your code here
        k = k%26;
        String newS = "";
        for(char a:s.toCharArray()){
            if(('z'-a>=0 && a-'a'>=0) ){
                char b = (char)(a+k);
                if(b-'z'>0){b = (char)(b-26);}
                newS = newS+b;
            }else if(('Z'-a>=0 && a-'A'>=0 )){
                char b = (char)(a+k);
                if(b-'Z'>0){b = (char)(b-26);}
                newS = newS+b;
            }else{
                newS = newS + a;
            }
        }
        return newS;
    }