Lecture 24
22
Read Bank instance from a file
•private static Bank readBank(         String bankName, String bankFileName) {    
•  File file = new File( bankFileName );  if (!file.exists()) {              return new Bank( bankName );    }                                   ObjectInputStream inStream = null;    try {                              inStream = new ObjectInputStream(           new FileInputStream( file ) );    Bank bank = (Bank)inStream.readObject();  System.out.println(               "Bank state read from file " + bankFileName);                        return bank; 
•  }