[Ch15] Book version of Ryan and Monica (706e643e) · Commits · examples / Head First Java 3rd Edition

src/main/java/ch15/RyanAndMonicaTest.java

+17 −25

Changes for src/main/java/ch15/RyanAndMonicaTest.java: 17 added lines, 25 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;

		class BankAccount {
		private int balance = 100;

		public int getBalance() {
		return balance;
		}

		public void withdraw(int amount) {
		balance = balance - amount;
		}
		}

		public class RyanAndMonicaTest {
		public static void main(String[] args) {
		BankAccount account = new BankAccount();
		@@ -19,7 +30,6 @@ public class RyanAndMonicaTest {
		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;
		@@ -27,7 +37,7 @@ class RyanAndMonicaJob implements Runnable {
		}

		public void run() {
		while (account.getBalance() > 0) {
		for (int i = 0; i < 10; i++) {
		makeWithdrawal(10);
		if (account.getBalance() < 0) {
		System.out.println("Overdrawn!");
		@@ -37,35 +47,17 @@ class RyanAndMonicaJob implements Runnable {

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

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

		class BankAccount {
		private int balance = 50;

		public int getBalance() {
		return balance;
		}

		public void withdraw(int amount) {
		balance = balance - amount;
		}
		}