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- public class deciPherer {
- public static void main(String[] args){
- String messageOne = "0@sn9sirppa@#?ia'jgtvryko1";
- String messageTwo = "q8e?wsellecif@#?sel@#?setuotpazdsy0*b9+mw@x1vj";
- String messageTree = "aopi?sedohtém@#?sedhtmg+p9l!";
- String messageOneDeco = decodage(messageOne);
- String messageTwoDeco = decodage(messageTwo);
- String messageTreeDeco = decodage(messageTree);
- System.out.println(messageOneDeco);
- System.out.println(messageTwoDeco);
- System.out.println(messageTreeDeco);
- }
- public static String decodage (String chara){
- // Divisé par deux chaine carractére
- int clef = chara.length() / 2;
- //y extraire une sous chaine (6 carractére --> longueur chaine)
- chara = chara.substring(5, 5 + clef);
- //y remplacer "@#?" par " "
- chara = chara.replace("@#?", " ");
- //inversé
- String decoder = new StringBuilder(chara).reverse().toString();
- // retourner le resultat
- return decoder;
- }
- }
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