[Ch15] Moving code magnets examples into their own package so I can create... (4e9becc9) · Commits · examples / Head First Java 3rd Edition

src/main/java/ch15/exercise1/AddLowerCaseJob.java

0 → 100644

+23 −0

Changes for src/main/java/ch15/exercise1/AddLowerCaseJob.java: 23 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		package ch15.exercise1;

		class AddLowerCaseJob implements Runnable {
		private final Data data;
		AddLowerCaseJob(Data data) {
		this.data = data;
		}

		public void run() {
		char letter = 'a';

		for (int i = 0; i < 26; i++) {
		data.addLetter(letter++);
		try {
		Thread.sleep(50);
		} catch (InterruptedException ignored) {
		}
		}
		System.out.println(Thread.currentThread().getName() + data.getLetters());
		System.out.println(Thread.currentThread().getName() + "getLetters().size() = " + data.getLetters().size());
		}

		}

src/main/java/ch15/exercise1/AddUpperCaseJob.java

0 → 100644

+21 −0

Changes for src/main/java/ch15/exercise1/AddUpperCaseJob.java: 21 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		package ch15.exercise1;

		class AddUpperCaseJob implements Runnable {
		private final Data data;
		AddUpperCaseJob(Data data) {
		this.data = data;
		}
		public void run() {
		char letter = 'A';
		for (int i = 0; i < 26; i++) {
		data.addLetter(letter++);
		try {
		Thread.sleep(50);
		} catch (InterruptedException ignored) {
		}
		}
		System.out.println(Thread.currentThread().getName() + data.getLetters());
		System.out.println(Thread.currentThread().getName() + "getLetters().size() = " + data.getLetters().size());
		}

		}

src/main/java/ch15/exercise1/Data.java

0 → 100644

+10 −0

Changes for src/main/java/ch15/exercise1/Data.java: 10 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		package ch15.exercise1;

		import java.util.Collection;
		import java.util.List;

		public interface Data {
		void addLetter(char c);

		List<String> getLetters();
		}

src/main/java/ch15/NotThreadSafeCollection.java→src/main/java/ch15/exercise1/NotThreadSafeCollection.java

+5 −46

Changes for src/main/java/ch15/exercise1/NotThreadSafeCollection.java: 5 added lines, 46 removed lines.
Original line number	Diff line number	Diff line
		package ch15;
		package ch15.exercise1;

		import java.util.ArrayList;
		import java.util.List;
		@@ -8,22 +8,15 @@ import java.util.concurrent.Executors;
		public class NotThreadSafeCollection {
		public static void main(String[] args) {
		ExecutorService threadPool = Executors.newFixedThreadPool(2);
		threadPool.execute(new JobOne());
		threadPool.execute(new JobTwo());
		DataImpl data = new DataImpl();
		threadPool.execute(new AddLowerCaseJob(data));
		threadPool.execute(new AddUpperCaseJob(data));
		threadPool.shutdown();
		}
		}

		class Data {
		class DataImpl implements Data {
		private final List<String> letters = new ArrayList<>();
		private final static Data instance = new Data();

		private Data() {
		}

		public static Data getInstance() {
		return instance;
		}

		public List<String> getLetters() {
		return letters;
		@@ -33,37 +26,3 @@ class Data {
		letters.add(String.valueOf(letter));
		}
		}

		class JobOne implements Runnable {
		Data a = Data.getInstance();
		char letter = 'A';

		public void run() {
		for (int x = 0; x < 26; x++) {
		a.addLetter(letter++);
		try {
		Thread.sleep(50);
		} catch (InterruptedException ignored) {
		}
		}
		System.out.println("one " + a.getLetters());
		System.out.println("a.getLetters().size() = " + a.getLetters().size());
		}
		}

		class JobTwo implements Runnable {
		Data a = Data.getInstance();
		char letter = 'a';

		public void run() {
		for (int x = 0; x < 26; x++) {
		a.addLetter(letter++);
		try {
		Thread.sleep(50);
		} catch (InterruptedException ignored) {
		}
		}
		System.out.println("two " + a.getLetters());
		System.out.println("a.getLetters().size() = " + a.getLetters().size());
		}
		}

src/main/java/ch15/TestThreads.java→src/main/java/ch15/exercise1/TestThreads.java

+1 −1

Changes for src/main/java/ch15/exercise1/TestThreads.java: 1 added line, 1 removed line.
Original line number	Diff line number	Diff line
		package ch15;
		package ch15.exercise1;

		public class TestThreads {
		public static void main(String[] args) {