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Just another update

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This commit is contained in:
Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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48
Task/Caesar-cipher/Java/caesar-cipher.java
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@ -1,26 +1,30 @@
public class Cipher {
public static void main(String[] args) {
String enc = Cipher.encode(
"The quick brown fox Jumped over the lazy Dog", 12);
System.out.println(enc);
System.out.println(Cipher.decode(enc, 12));
}
public static void main(String[] args) {
public static String decode(String enc, int offset) {
return encode(enc, -offset);
}
String str = "The quick brown fox Jumped over the lazy Dog";
public static String encode(String enc, int offset) {
offset = offset % 26 + 26;
StringBuilder encoded = new StringBuilder();
for (char i : enc.toLowerCase().toCharArray()) {
if (Character.isLetter(i)) {
int j = (i - 'a' + offset) % 26;
encoded.append((char) (j + 'a'));
} else {
encoded.append(i);
}
}
return encoded.toString();
}
System.out.println( Cipher.encode( str, 12 ));
System.out.println( Cipher.decode( Cipher.encode( str, 12), 12 ));
}
public static String decode(String enc, int offset) {
return encode(enc, 26-offset);
}
public static String encode(String enc, int offset) {
offset = offset % 26 + 26;
StringBuilder encoded = new StringBuilder();
for (char i : enc.toCharArray()) {
if (Character.isLetter(i)) {
if (Character.isUpperCase(i)) {
encoded.append((char) ('A' + (i - 'A' + offset) % 26 ));
} else {
encoded.append((char) ('a' + (i - 'a' + offset) % 26 ));
}
} else {
encoded.append(i);
}
}
return encoded.toString();
}
}