[Ch15] Making the Atomic version similar to the new improved Monica and Ryan code

public class RyanAndMonicaAtomicTest {

  public static void main(String[] args) throws InterruptedException {

    long start = System.currentTimeMillis();

    for (int i = 0; i < 100; i++) {

      BankAccountWithAtomic account = new BankAccountWithAtomic();

    RyanAndMonicaAtomicJob ryan = new RyanAndMonicaAtomicJob("Ryan", account);

    RyanAndMonicaAtomicJob monica = new RyanAndMonicaAtomicJob("Monica", account);

      RyanAndMonicaAtomicJob ryan = new RyanAndMonicaAtomicJob("Ryan", account, 50);

      RyanAndMonicaAtomicJob monica = new RyanAndMonicaAtomicJob("Monica", account, 100);

      ExecutorService executor = Executors.newFixedThreadPool(2);

      executor.execute(ryan);

      executor.execute(monica);

      executor.shutdown();

      executor.awaitTermination(1, TimeUnit.MINUTES);

    long end = System.currentTimeMillis();

    System.out.println(end - start);

      System.out.println("---");

    }

  }

}

class RyanAndMonicaAtomicJob implements Runnable {

  private final String name;

  private final BankAccountWithAtomic account;

  private final int amountToSpend;

  RyanAndMonicaAtomicJob(String name, BankAccountWithAtomic account) {

  RyanAndMonicaAtomicJob(String name, BankAccountWithAtomic account, int amountToSpend) {

    this.name = name;

    this.account = account;

    this.amountToSpend = amountToSpend;

  }

  public void run() {

    for (int i = 0; i < 15; i++) {

      account.makeWithdrawal(10, name);

      if (account.getBalance() < 0) {

        System.out.println("Overdrawn!");

      }

    goShopping(amountToSpend);

  }

  private void goShopping(int amount) {

    System.out.println(name + " is about to spend");

    account.spend(name, amount);

    System.out.println(name + " finishes spending");

  }

}

class BankAccountWithAtomic {

  private final AtomicInteger balance = new AtomicInteger(100);

  public int getBalance() {

    return balance.get();

  }

  public void makeWithdrawal(int amount, String name) {

  public void spend(String name, int amount) {

    int initialBalance = balance.get();

    if (initialBalance >= amount) {

      System.out.println(name + " is about to withdraw");

      try {

        System.out.println(name + " is going to sleep");

        Thread.sleep(500);

      } catch (InterruptedException ex) {ex.printStackTrace();}

      System.out.println(name + " woke up.");

      boolean success = balance.compareAndSet(initialBalance, initialBalance - amount);

      if (success) {

        System.out.println(name + " completes the withdrawal.");

      } else {

      if (!success) {

        System.out.println("Sorry " + name + ", try again");

      }

    } else {

    }

  }

}