Sommer2013 + Sommer2010

sae/java/sommer2013/Sommer2013FS/src/sommer2013fs/Sommer2013FS.java

@@ -0,0 +1,20 @@
+package sommer2013fs;
+
+public class Sommer2013FS {
+
+    public static void main(String[] args) {
+        System.out.println(chiffriere("Ölkännchen", "geheimcode")) ;
+    }
+    
+    
+    public static String chiffriere(String klartext, String schluessselwort) {
+        char[] ktchar = klartext.toCharArray();
+        char[] swchar = schluessselwort.toCharArray();
+        char[] result = new char[ktchar.length];
+        for (int i = 0; i < ktchar.length; i++) {
+            result[i] = (char)((ktchar[i] + swchar[i]) % 256);
+        }
+        return new String(result);
+    }
+    
+}