// Fig. 15.11: CreateSequentialFile.java

// Writing objects to a file with JAXB and BufferedWriter.

import java.io.BufferedWriter;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.util.NoSuchElementException;

import java.util.Scanner;

import javax.xml.bind.JAXB;

public class CreateSequentialFile {

public static void main(String[] args) {

// open clients.xml, write objects to it then close file

try(BufferedWriter output =

Files.newBufferedWriter(Paths.get("clients.xml"))) {

Scanner input = new Scanner(System.in);

// stores the Accounts before XML serialization

Accounts accounts = new Accounts();

System.out.printf("%s%n%s%n? ",

"Enter account number, first name, last name and balance.",

"Enter end-of-file indicator to end input.");

while (input.hasNext()) { // loop until end-of-file indicator

try {

// create new record

Account record = new Account(input.nextInt(),

input.next(), input.next(), input.nextDouble());

// add to AccountList

accounts.getAccounts().add(record);

}

catch (NoSuchElementException elementException) {

System.err.println("Invalid input. Please try again.");

input.nextLine(); // discard input so user can try again

}

System.out.print("? ");

}

// write AccountList's XML to output

JAXB.marshal(accounts, output);

}

catch (IOException ioException) {

System.err.println("Error opening file. Terminating.");

}

}

}

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* (C) Copyright 1992-2018 by Deitel & Associates, Inc. and *

* Pearson Education, Inc. All Rights Reserved. *

* *

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