[Ch15] Updating Ryan and Monica: better outputs, and a slightly more interesting sleep time. (d54ab69b) · Commits · examples / Head First Java 3rd Edition

src/main/java/ch15/TestRyanAndMonica.java

+10 −4

Changes for src/main/java/ch15/TestRyanAndMonica.java: 10 added lines, 4 removed lines.
Original line number	Diff line number	Diff line
		package ch15;

		import java.util.Random;
		import java.util.concurrent.ExecutorService;
		import java.util.concurrent.Executors;

		@@ -18,6 +19,7 @@ public class TestRyanAndMonica {
		class RyanAndMonicaJob implements Runnable {
		private final String name;
		private final BankAccount account;
		private final Random randomGenerator = new Random();

		RyanAndMonicaJob(String name, BankAccount account) {
		this.name = name;
		@@ -25,7 +27,7 @@ class RyanAndMonicaJob implements Runnable {
		}

		public void run() {
		for (int i = 0; i < 10; i++) {
		while (account.getBalance() > 0) {
		makeWithdrawal(10);
		if (account.getBalance() < 0) {
		System.out.println("Overdrawn!");
		@@ -35,20 +37,24 @@ class RyanAndMonicaJob implements Runnable {

		private void makeWithdrawal(int amount) {
		if (account.getBalance() >= amount) {
		System.out.println(name + " is about to withdraw $10. Current balance: " + account.getBalance());
		System.out.printf("%s is about to withdraw $%d. Current balance: $%d%n", name, amount, account.getBalance());
		try {
		System.out.println(name + " is going to sleep");
		Thread.sleep(500);
		sleepForRandomTime();
		} catch (InterruptedException ex) {
		ex.printStackTrace();
		}
		System.out.println(name + " woke up.");
		account.withdraw(amount);
		System.out.println(name + " completes the withdrawal. New balance: " + account.getBalance());
		System.out.printf("%s completes the withdrawal of $%d. New balance: $%d%n", name, amount, account.getBalance());
		} else {
		System.out.println("Sorry, not enough for " + name);
		}
		}

		private void sleepForRandomTime() throws InterruptedException {
		Thread.sleep(randomGenerator.nextInt(500));
		}
		}

		class BankAccount {