diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 0036b29a..00000000
--- a/.gitignore
+++ /dev/null
@@ -1,5 +0,0 @@
-/Chapter01/P01_CountDuplicateCharacters/target/
-/Chapter01/P03_ReverseWords/target/
-/Chapter01/P05_CountVowelsAndConsonants/target/
-/Chapter01/P05_CountVowelsAndConsonants1/target/
-/Chapter01/P02_TextBlockDelimiters/target/
diff --git a/Chapter06/BONUS_2_CopyFileBenchmark/nb-configuration.xml b/Chapter06/BONUS_2_CopyFileBenchmark/nb-configuration.xml
deleted file mode 100644
index ec4540cb..00000000
--- a/Chapter06/BONUS_2_CopyFileBenchmark/nb-configuration.xml
+++ /dev/null
@@ -1,18 +0,0 @@
-
-
-
-
-
- none
-
-
diff --git a/Chapter06/BONUS_2_CopyFileBenchmark/pom.xml b/Chapter06/BONUS_2_CopyFileBenchmark/pom.xml
deleted file mode 100644
index 7eb5ecbf..00000000
--- a/Chapter06/BONUS_2_CopyFileBenchmark/pom.xml
+++ /dev/null
@@ -1,72 +0,0 @@
-
-
- 4.0.0
- java.modern.challenge
- BONUS_2_CopyFileBenchmark
- 1.0
- jar
-
- UTF-8
- 20
- 20
- 3.8.0
- 1.35
- 3.10.1
- 3.1.0
-
- BONUS_2_CopyFileBenchmark
-
-
- org.openjdk.jmh
- jmh-core
- ${jmh.version}
-
-
- org.openjdk.jmh
- jmh-generator-annprocess
- ${jmh.version}
-
-
-
-
-
- org.apache.maven.plugins
- maven-compiler-plugin
- ${oamp.version}
-
-
-
- org.openjdk.jmh
- jmh-generator-annprocess
- ${jmh.version}
-
-
-
-
-
- org.codehaus.mojo
- exec-maven-plugin
- ${ocm.version}
-
-
- run-benchmarks
- integration-test
-
- exec
-
-
- test
- java
-
- -classpath
-
- org.openjdk.jmh.Main
- .*
-
-
-
-
-
-
-
-
\ No newline at end of file
diff --git a/Chapter06/BONUS_2_CopyFileBenchmark/rafa_copy/README.txt b/Chapter06/BONUS_2_CopyFileBenchmark/rafa_copy/README.txt
deleted file mode 100644
index ac6d0fc6..00000000
--- a/Chapter06/BONUS_2_CopyFileBenchmark/rafa_copy/README.txt
+++ /dev/null
@@ -1 +0,0 @@
-In this folder we copy the file used by benchmark.
\ No newline at end of file
diff --git a/Chapter06/BONUS_2_CopyFileBenchmark/rafa_org/Rafa Best Shots.mp4 b/Chapter06/BONUS_2_CopyFileBenchmark/rafa_org/Rafa Best Shots.mp4
deleted file mode 100644
index 166777eb..00000000
Binary files a/Chapter06/BONUS_2_CopyFileBenchmark/rafa_org/Rafa Best Shots.mp4 and /dev/null differ
diff --git a/Chapter06/BONUS_2_CopyFileBenchmark/results/benchmark.png b/Chapter06/BONUS_2_CopyFileBenchmark/results/benchmark.png
deleted file mode 100644
index e91d5bde..00000000
Binary files a/Chapter06/BONUS_2_CopyFileBenchmark/results/benchmark.png and /dev/null differ
diff --git a/Chapter06/BONUS_2_CopyFileBenchmark/src/main/java/modern/challenge/Main.java b/Chapter06/BONUS_2_CopyFileBenchmark/src/main/java/modern/challenge/Main.java
deleted file mode 100644
index 3f8042d7..00000000
--- a/Chapter06/BONUS_2_CopyFileBenchmark/src/main/java/modern/challenge/Main.java
+++ /dev/null
@@ -1,246 +0,0 @@
-package modern.challenge;
-
-import java.nio.MappedByteBuffer;
-import java.io.OutputStream;
-import java.io.InputStream;
-import java.io.BufferedInputStream;
-import java.io.BufferedOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.nio.file.StandardOpenOption;
-import java.util.EnumSet;
-import static java.nio.file.LinkOption.NOFOLLOW_LINKS;
-import java.util.Random;
-import java.util.concurrent.TimeUnit;
-import org.openjdk.jmh.annotations.Benchmark;
-import org.openjdk.jmh.annotations.BenchmarkMode;
-import org.openjdk.jmh.annotations.Fork;
-import org.openjdk.jmh.annotations.Measurement;
-import org.openjdk.jmh.annotations.Mode;
-import org.openjdk.jmh.annotations.OutputTimeUnit;
-import org.openjdk.jmh.annotations.Scope;
-import org.openjdk.jmh.annotations.State;
-
-@OutputTimeUnit(TimeUnit.SECONDS)
-@BenchmarkMode(Mode.AverageTime)
-@Fork(value = 1, warmups = 1) //, jvmArgsPrepend = {"-Djdk.net.usePlainSocketImpl=true"})
-@Measurement(iterations = 1, time = 1)
-@State(Scope.Benchmark)
-public class Main {
-
- private static final Path COPY_FROM = Paths.get("rafa_org/Rafa Best Shots.mp4");
- private static final Path COPY_TO = Paths.get("rafa_copy/");
- private static final int BUFFER_SIZE_KB = 4;
- private static final int BUFFER_SIZE = BUFFER_SIZE_KB * 1024;
-
- private static final Random rnd = new Random();
-
- @Benchmark
- public static void fileChannelIndirectBuffer() {
-
- System.out.println("Using FileChannel and non-direct buffer ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- try (FileChannel fileChannel_from = (FileChannel.open(COPY_FROM, EnumSet.of(StandardOpenOption.READ)));
- FileChannel fileChannel_to = (FileChannel.open(copyTo, EnumSet.of(StandardOpenOption.CREATE_NEW, StandardOpenOption.WRITE)))) {
-
- // Allocate an non-direct ByteBuffer
- ByteBuffer bytebuffer = ByteBuffer.allocate(BUFFER_SIZE);
-
- // Read data from file into ByteBuffer
- while ((fileChannel_from.read(bytebuffer)) > 0) {
-
- //flip the buffer which set the limit to current position, and position to 0
- bytebuffer.flip();
-
- //write data from ByteBuffer to file
- fileChannel_to.write(bytebuffer);
-
- //for the next read
- bytebuffer.clear();
- }
- } catch (IOException ex) {
- System.err.println(ex);
- }
- }
-
- @Benchmark
- public static void fileChannelDirectBuffer() {
-
- System.out.println("Using FileChannel and direct buffer ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- try (FileChannel fileChannel_from = (FileChannel.open(COPY_FROM, EnumSet.of(StandardOpenOption.READ)));
- FileChannel fileChannel_to = (FileChannel.open(copyTo, EnumSet.of(StandardOpenOption.CREATE_NEW, StandardOpenOption.WRITE)))) {
-
- // Allocate an direct ByteBuffer
- ByteBuffer bytebuffer = ByteBuffer.allocateDirect(BUFFER_SIZE);
-
- // Read data from file into ByteBuffer
- while ((fileChannel_from.read(bytebuffer)) > 0) {
-
- //flip the buffer which set the limit to current position, and position to 0
- bytebuffer.flip();
-
- //write data from ByteBuffer to file
- fileChannel_to.write(bytebuffer);
-
- //for the next read
- bytebuffer.clear();
- }
- } catch (IOException ex) {
- System.err.println(ex);
- }
- }
-
- @Benchmark
- public static void fileChannelTransferTo() {
-
- System.out.println("Using FileChannel.transferTo method ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- try (FileChannel fileChannel_from = (FileChannel.open(
- COPY_FROM, EnumSet.of(StandardOpenOption.READ)));
- FileChannel fileChannel_to = (FileChannel.open(copyTo, EnumSet.of(
- StandardOpenOption.CREATE_NEW, StandardOpenOption.WRITE)))) {
-
- fileChannel_from.transferTo(0L, fileChannel_from.size(), fileChannel_to);
-
- } catch (IOException ex) {
- System.err.println(ex);
- }
- }
-
- @Benchmark
- public static void fileChannelTransferFrom() {
-
- System.out.println("Using FileChannel.transferFrom method ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- try (FileChannel fileChannel_from = (FileChannel.open(
- COPY_FROM, EnumSet.of(StandardOpenOption.READ)));
- FileChannel fileChannel_to = (FileChannel.open(copyTo, EnumSet.of(
- StandardOpenOption.CREATE_NEW, StandardOpenOption.WRITE)))) {
-
- fileChannel_to.transferFrom(fileChannel_from, 0L, (int) fileChannel_from.size());
- } catch (IOException ex) {
- System.err.println(ex);
- }
- }
-
- @Benchmark
- public static void fileChannelMap() {
-
- System.out.println("Using FileChannel.map method ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- try (FileChannel fileChannel_from = (FileChannel.open(COPY_FROM, EnumSet.of(StandardOpenOption.READ)));
- FileChannel fileChannel_to = (FileChannel.open(copyTo, EnumSet.of(StandardOpenOption.CREATE_NEW, StandardOpenOption.WRITE)))) {
-
- MappedByteBuffer buffer = fileChannel_from.map(
- FileChannel.MapMode.READ_ONLY, 0, fileChannel_from.size());
-
- fileChannel_to.write(buffer);
- buffer.clear();
-
- } catch (IOException ex) {
- System.err.println(ex);
- }
- }
-
- @Benchmark
- public static void bufferedStreamIO() {
-
- System.out.println("Using buffered streams and byte array ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- File inFileStr = COPY_FROM.toFile();
- File outFileStr = copyTo.toFile();
-
- try (BufferedInputStream in = new BufferedInputStream(
- new FileInputStream(inFileStr)); BufferedOutputStream out
- = new BufferedOutputStream(new FileOutputStream(outFileStr))) {
-
- byte[] byteArray = new byte[BUFFER_SIZE];
- int bytesCount;
- while ((bytesCount = in.read(byteArray)) != -1) {
- out.write(byteArray, 0, bytesCount);
- }
- } catch (IOException ex) {
- System.err.println(ex);
- }
- }
-
- @Benchmark
- public static void bufferedStreamByteArray() {
-
- System.out.println("Using un-buffered streams and byte array ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- File inFileStr = COPY_FROM.toFile();
- File outFileStr = copyTo.toFile();
-
- try (FileInputStream in = new FileInputStream(inFileStr);
- FileOutputStream out = new FileOutputStream(outFileStr)) {
-
- byte[] byteArray = new byte[BUFFER_SIZE];
- int bytesCount;
- while ((bytesCount = in.read(byteArray)) != -1) {
- out.write(byteArray, 0, bytesCount);
- }
- } catch (IOException ex) {
- System.err.println(ex);
- }
- }
-
- @Benchmark
- public static void filesCopyPathToPath() {
-
- System.out.println("Using Files.copy (Path to Path) method ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- try {
- Files.copy(COPY_FROM, copyTo, NOFOLLOW_LINKS);
- } catch (IOException e) {
- System.err.println(e);
- }
- }
-
- @Benchmark
- public static void filesCopyIStreamToPath() {
-
- System.out.println("Using Files.copy (InputStream to Path) ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- try (InputStream is = new FileInputStream(COPY_FROM.toFile())) {
- Files.copy(is, copyTo);
- } catch (IOException e) {
- System.err.println(e);
- }
- }
-
- @Benchmark
- public static void filesCopyPathToOStream() {
-
- System.out.println("Using Files.copy (Path to OutputStream) ...");
-
- Path copyTo = COPY_TO.resolve("Rafa Best Shots " + rnd.nextInt() + ".mp4");
- try (OutputStream os = new FileOutputStream(copyTo.toFile())) {
- Files.copy(COPY_FROM, os);
- } catch (IOException e) {
- System.err.println(e);
- }
- }
-
- public static void main(String[] args) throws IOException {
-
- org.openjdk.jmh.Main.main(args);
- }
-}
\ No newline at end of file
diff --git a/README.md b/README.md
index aab522f6..0419ea5f 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,6 @@
-
-
-
# Java Coding Problems
-
+
This is the code repository for [Java Coding Problems ](https://www.packtpub.com/programming/java-coding-problems?utm_source=github&utm_medium=repository&utm_campaign=), published by Packt.
@@ -71,7 +68,3 @@ He is the author of several books, videos, and dozens of articles related to Jav
[Click here](https://docs.google.com/forms/d/e/1FAIpQLSdy7dATC6QmEL81FIUuymZ0Wy9vH1jHkvpY57OiMeKGqib_Ow/viewform) if you have any feedback or suggestions.
-### Download a free PDF
-
- If you have already purchased a print or Kindle version of this book, you can get a DRM-free PDF version at no cost.
Simply click on the link to claim your free PDF.
- https://packt.link/free-ebook/9781789801415