public -> private

src/main/java/de/uniluebeck/mi/projmi6/db/DBHandler.java

@@ -43,7 +43,7 @@ public class DBHandler {
         return getPatient(rs);
     }
 
-    public static Patient getPatient(ResultSet rs) throws SQLException {
+    private static Patient getPatient(ResultSet rs) throws SQLException {
         Patient patient = new Patient();
         patient.setPatID(rs.getInt("id"));
         patient.setGeburtsname(rs.getString("geburtsname"));