package casesar02;
import java.util.Scanner;
public class casesar02
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
int key = 4;
// scan.nextLine();
String str = scan.nextLine();
String encrypted = encrypt(str, key);
System.out.println(encrypted);
}
public static String encrypt(String str, int key) {
String encrypted = "";
for (int i = 0; i < str.length(); i++) {
int c = str.charAt(i);
if (Character.isUpperCase(c)) {
if(c < 'C')
{
c = c + 26;
}
c = c - (key % 26);
} else if (Character.isLowerCase(c)) {
if(c < 'c')
{
c = c + 26;
}
c = c - (key % 26);
}
encrypted += (char) c;
}
return encrypted;
}
}
Input
XLMW MW MRHCFSC. M EQ LIVIFC SVHIVMRK XLEX EPP QC QIR QYWX IEX TITTIVSRM TMDDEW IZIVCHEC. XLMW SVHIV AMPP FI VITIEPIH SRPC YTSR QC VIXMVIQIRX. PSRK PMZI XLI GLMTQYROW!
Output
THIS IS IND?BO?. I AM HEREB? ORDERING THAT ALL M? MEN MUST EAT PEPPERONI PI@@AS EVER?DA?. THIS ORDER WILL BE REPEALED ONL? UPON M? RETIREMENT. LONG LIVE THE CHIPMUNKS!
Why did not output
THIS IS INDYBOY. I AM HEREBY ORDERING THAT ALL MY MEN MUST EAT PEPPERONI PIZZAS EVERYDAY. THIS ORDER WILL BE REPEALED ONLY UPON MY RETIREMENT. LONG LIVE THE CHIPMUNKS!
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