Merge pull request #54 from eugenp/master

update

apache-cxf/README.md

@@ -3,7 +3,7 @@
 This module contains articles about Apache CXF
 
 ## Relevant Articles:
-- [Introduction to Apache CXF Aegis Data Binding](https://www.baeldung.com/aegis-data-binding-in-apache-cxf)
+
 - [Apache CXF Support for RESTful Web Services](https://www.baeldung.com/apache-cxf-rest-api)
 - [A Guide to Apache CXF with Spring](https://www.baeldung.com/apache-cxf-with-spring)
 - [Introduction to Apache CXF](https://www.baeldung.com/introduction-to-apache-cxf)

apache-cxf/cxf-aegis/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+
+- [Introduction to Apache CXF Aegis Data Binding](https://www.baeldung.com/aegis-data-binding-in-apache-cxf)

aws-app-sync/src/main/java/com/baeldung/awsappsync/AppSyncClientHelper.java

@@ -10,8 +10,8 @@ import java.util.Map;
 
 public class AppSyncClientHelper {
 
-    static String apiUrl = "https://m4i3b6icrrb7livfbypfspiifi.appsync-api.us-east-2.amazonaws.com";
-    static String apiKey = "da2-bm4rpatkkrc5jfyhvvq7itjeke";
+    static String apiUrl = "<INSERT API URL HERE>";
+    static String apiKey = "<INSERT API KEY HERE>";
     static String API_KEY_HEADER = "x-api-key";
 
     public static WebClient.ResponseSpec getResponseBodySpec(Map<String, Object> requestBody) {

aws-app-sync/src/test/java/com/baeldung/awsappsync/AwsAppSyncApplicationTests.java

@@ -1,5 +1,6 @@
 package com.baeldung.awsappsync;
 
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.web.reactive.function.client.WebClient;
@@ -10,6 +11,7 @@ import java.util.Map;
 import static org.junit.jupiter.api.Assertions.*;
 
 @SpringBootTest
+@Disabled
 class AwsAppSyncApplicationTests {
 
     @Test

cas/cas-secured-app/pom.xml

@@ -16,10 +16,6 @@
         <relativePath>../../parent-boot-2</relativePath>
     </parent>
 
-    <properties>
-        <spring-boot.version>2.2.6.RELEASE</spring-boot.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>

core-groovy-2/README.md

@@ -13,4 +13,5 @@ This module contains articles about core Groovy concepts
 - [Metaprogramming in Groovy](https://www.baeldung.com/groovy-metaprogramming)
 - [A Quick Guide to Working with Web Services in Groovy](https://www.baeldung.com/groovy-web-services)
 - [Categories in Groovy](https://www.baeldung.com/groovy-categories)
+- [How to Determine the Data Type in Groovy](https://www.baeldung.com/groovy-determine-data-type)
 - [[<-- Prev]](/core-groovy)

core-java-modules/core-java-14/README.md

@@ -8,3 +8,4 @@ This module contains articles about Java 14.
 - [Java Text Blocks](https://www.baeldung.com/java-text-blocks)
 - [Pattern Matching for instanceof in Java 14](https://www.baeldung.com/java-pattern-matching-instanceof)
 - [Helpful NullPointerExceptions in Java 14](https://www.baeldung.com/java-14-nullpointerexception)
+- [Foreign Memory Access API in Java 14](https://www.baeldung.com/java-foreign-memory-access)

core-java-modules/core-java-9-improvements/README.md

@@ -9,3 +9,4 @@ This module contains articles about the improvements to core Java features intro
 - [Java 9 Stream API Improvements](https://www.baeldung.com/java-9-stream-api)
 - [Java 9 java.util.Objects Additions](https://www.baeldung.com/java-9-objects-new)
 - [Java 9 CompletableFuture API Improvements](https://www.baeldung.com/java-9-completablefuture)
+- [Java InputStream to Byte Array and ByteBuffer](https://www.baeldung.com/convert-input-stream-to-array-of-bytes)

core-java-modules/core-java-9-improvements/pom.xml

@@ -33,6 +33,11 @@
             <artifactId>guava</artifactId>
             <version>${guava.version}</version>
         </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons-io.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.junit.platform</groupId>
             <artifactId>junit-platform-runner</artifactId>

core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/io/conversion/InputStreamToByteArrayUnitTest.java

@@ -0,0 +1,57 @@
+package com.baeldung.java9.io.conversion;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.apache.commons.io.IOUtils;
+import org.junit.Test;
+
+import com.google.common.io.ByteSource;
+import com.google.common.io.ByteStreams;
+
+public class InputStreamToByteArrayUnitTest {
+
+    @Test
+    public final void givenUsingPlainJavaOnFixedSizeStream_whenConvertingAnInputStreamToAByteArray_thenCorrect() throws IOException {
+        final InputStream initialStream = new ByteArrayInputStream(new byte[] { 0, 1, 2 });
+        final byte[] targetArray = new byte[initialStream.available()];
+        initialStream.read(targetArray);
+    }
+
+    @Test
+    public final void givenUsingPlainJavaOnUnknownSizeStream_whenConvertingAnInputStreamToAByteArray_thenCorrect() throws IOException {
+        final InputStream is = new ByteArrayInputStream(new byte[] { 0, 1, 2 });
+
+        final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+        int nRead;
+        final byte[] data = new byte[1024];
+        while ((nRead = is.read(data, 0, data.length)) != -1) {
+            buffer.write(data, 0, nRead);
+        }
+
+        buffer.flush();
+        final byte[] byteArray = buffer.toByteArray();
+    }
+
+    @Test
+    public void givenUsingPlainJava9_whenConvertingAnInputStreamToAByteArray_thenCorrect() throws IOException {
+        final InputStream is = new ByteArrayInputStream(new byte[] { 0, 1, 2 });
+
+        byte[] data = is.readAllBytes();
+    }
+
+    @Test
+    public final void givenUsingGuava_whenConvertingAnInputStreamToAByteArray_thenCorrect() throws IOException {
+        final InputStream initialStream = ByteSource.wrap(new byte[] { 0, 1, 2 })
+            .openStream();
+        final byte[] targetArray = ByteStreams.toByteArray(initialStream);
+    }
+
+    @Test
+    public final void givenUsingCommonsIO_whenConvertingAnInputStreamToAByteArray_thenCorrect() throws IOException {
+        final InputStream initialStream = new ByteArrayInputStream(new byte[] { 0, 1, 2 });
+        final byte[] targetArray = IOUtils.toByteArray(initialStream);
+    }
+}

core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/io/conversion/InputStreamToByteBufferUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.inputstreamtobytes;
+package com.baeldung.java9.io.conversion;
 
 import com.google.common.io.ByteSource;
 import com.google.common.io.ByteStreams;

core-java-modules/core-java-concurrency-advanced-3/README.md

@@ -11,4 +11,5 @@ This module contains articles about advanced topics about multithreading with co
 - [Guide to Work Stealing in Java](https://www.baeldung.com/java-work-stealing)
 - [Asynchronous Programming in Java](https://www.baeldung.com/java-asynchronous-programming)
 - [Java Thread Deadlock and Livelock](https://www.baeldung.com/java-deadlock-livelock)
+- [Guide to AtomicStampedReference in Java](https://www.baeldung.com/java-atomicstampedreference)
 - [[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)

core-java-modules/core-java-concurrency-advanced-3/src/test/java/com/baeldung/exchanger/ExchangerPipeLineManualTest.java

@@ -0,0 +1,83 @@
+package com.baeldung.exchanger;
+
+import java.util.Queue;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.Exchanger;
+import java.util.concurrent.ExecutionException;
+import org.junit.Test;
+
+import static java.util.concurrent.CompletableFuture.runAsync;
+
+
+
+public class ExchangerPipeLineManualTest {
+
+    private static final int BUFFER_SIZE = 100;
+
+    @Test
+    public void givenData_whenPassedThrough_thenCorrect() throws InterruptedException, ExecutionException {
+
+        Exchanger<Queue<String>> readerExchanger = new Exchanger<>();
+        Exchanger<Queue<String>> writerExchanger = new Exchanger<>();
+        int counter = 0;
+
+        Runnable reader = () -> {
+            Queue<String> readerBuffer = new ConcurrentLinkedQueue<>();
+            while (true) {
+                readerBuffer.add(UUID.randomUUID().toString());
+                if (readerBuffer.size() >= BUFFER_SIZE) {
+                    try {
+                        readerBuffer = readerExchanger.exchange(readerBuffer);
+                    } catch (InterruptedException e) {
+                        Thread.currentThread().interrupt();
+                        throw new RuntimeException(e);
+                    }
+                }
+            }
+        };
+
+        Runnable processor = () -> {
+            Queue<String> processorBuffer = new ConcurrentLinkedQueue<>();
+            Queue<String> writerBuffer = new ConcurrentLinkedQueue<>();
+            try {
+                processorBuffer = readerExchanger.exchange(processorBuffer);
+                while (true) {
+                    writerBuffer.add(processorBuffer.poll());
+                    if (processorBuffer.isEmpty()) {
+                        try {
+                            processorBuffer = readerExchanger.exchange(processorBuffer);
+                            writerBuffer = writerExchanger.exchange(writerBuffer);
+                        } catch (InterruptedException e) {
+                            Thread.currentThread().interrupt();
+                            throw new RuntimeException(e);
+                        }
+                    }
+                }
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                throw new RuntimeException(e);
+            }
+        };
+
+        Runnable writer = () -> {
+            Queue<String> writerBuffer = new ConcurrentLinkedQueue<>();
+            try {
+                writerBuffer = writerExchanger.exchange(writerBuffer);
+                while (true) {
+                    System.out.println(writerBuffer.poll());
+                    if (writerBuffer.isEmpty()) {
+                        writerBuffer = writerExchanger.exchange(writerBuffer);
+                    }
+                }
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                throw new RuntimeException(e);
+            }
+        };
+
+        CompletableFuture.allOf(runAsync(reader), runAsync(processor), runAsync(writer)).get();
+    }
+
+}

core-java-modules/core-java-concurrency-advanced-3/src/test/java/com/baeldung/exchanger/ExchangerUnitTest.java

@@ -0,0 +1,63 @@
+package com.baeldung.exchanger;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Exchanger;
+
+import java.util.concurrent.ExecutionException;
+import org.junit.Test;
+
+import static java.util.concurrent.CompletableFuture.runAsync;
+
+public class ExchangerUnitTest {
+    
+    
+    @Test
+    public void givenThreads_whenMessageExchanged_thenCorrect() {
+        Exchanger<String> exchanger = new Exchanger<>();
+
+        Runnable taskA = () -> {
+            try {
+                String message = exchanger.exchange("from A");
+                assertEquals("from B", message);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                throw new RuntimeException(e);
+            }
+        };
+
+        Runnable taskB = () -> {
+            try {
+                String message = exchanger.exchange("from B");
+                assertEquals("from A", message);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                throw new RuntimeException(e);
+            }
+        };
+
+        CompletableFuture.allOf(runAsync(taskA), runAsync(taskB)).join();
+    }
+
+    @Test
+    public void givenThread_WhenExchangedMessage_thenCorrect() throws InterruptedException, ExecutionException {
+        Exchanger<String> exchanger = new Exchanger<>();
+
+        Runnable runner = () -> {
+            try {
+                String message = exchanger.exchange("from runner");
+                assertEquals("to runner", message);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                throw new RuntimeException(e);
+            }
+        };
+
+        CompletableFuture<Void> result = CompletableFuture.runAsync(runner);
+        String msg = exchanger.exchange("to runner");
+        assertEquals("from runner", msg);
+        result.join();
+    }
+
+}

core-java-modules/core-java-concurrency-collections-2/pom.xml

@@ -23,7 +23,12 @@
             <artifactId>jmh-generator-annprocess</artifactId>
             <version>${jmh.version}</version>
         </dependency>
-
+		<dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
     <build>
         <sourceDirectory>src</sourceDirectory>
@@ -42,6 +47,8 @@
     <properties>
         <jmh.version>1.21</jmh.version>
         <guava.version>28.2-jre</guava.version>
+         <!-- testing -->
+        <assertj.version>3.6.1</assertj.version>
     </properties>
 
 </project>

core-java-modules/core-java-concurrency-collections-2/src/test/java/com/baeldung/concurrent/queue/TestConcurrentLinkedQueue.java

@@ -0,0 +1,66 @@
+package com.baeldung.concurrent.queue;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThat;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+
+@FixMethodOrder
+public class TestConcurrentLinkedQueue {
+
+    @Test
+    public void givenThereIsExistingCollection_WhenAddedIntoQueue_ThenShouldContainElements() {
+        Collection<Integer> elements = Arrays.asList(1, 2, 3, 4, 5);
+        ConcurrentLinkedQueue<Integer> concurrentLinkedQueue = new ConcurrentLinkedQueue<>(elements);
+        assertThat(concurrentLinkedQueue).containsExactly(1, 2, 3, 4, 5);
+    }
+
+    @Test
+    public void givenQueueIsEmpty_WhenAccessingTheQueue_ThenQueueReturnsNull() throws InterruptedException {
+        ExecutorService executorService = Executors.newFixedThreadPool(1);
+        ConcurrentLinkedQueue<Integer> concurrentLinkedQueue = new ConcurrentLinkedQueue<>();
+        executorService.submit(() -> assertNull("Retrieve object is null", concurrentLinkedQueue.poll()));
+        TimeUnit.SECONDS.sleep(1);
+        executorService.awaitTermination(1, TimeUnit.SECONDS);
+        executorService.shutdown();
+    }
+
+    @Test
+    public void givenProducerOffersElementInQueue_WhenConsumerPollsQueue_ThenItRetrievesElement() throws Exception {
+        int element = 1;
+
+        ExecutorService executorService = Executors.newFixedThreadPool(2);
+        ConcurrentLinkedQueue<Integer> concurrentLinkedQueue = new ConcurrentLinkedQueue<>();
+        Runnable offerTask = () -> concurrentLinkedQueue.offer(element);
+
+        Callable<Integer> pollTask = () -> {
+            while (concurrentLinkedQueue.peek() != null) {
+                return concurrentLinkedQueue.poll()
+                    .intValue();
+            }
+            return null;
+        };
+
+        executorService.submit(offerTask);
+        TimeUnit.SECONDS.sleep(1);
+
+        Future<Integer> returnedElement = executorService.submit(pollTask);
+        assertThat(returnedElement.get()
+            .intValue(), is(equalTo(element)));
+        executorService.awaitTermination(1, TimeUnit.SECONDS);
+        executorService.shutdown();
+    }
+}

core-java-modules/core-java-concurrency-collections-2/src/test/java/com/baeldung/concurrent/queue/TestLinkedBlockingQueue.java

@@ -0,0 +1,81 @@
+package com.baeldung.concurrent.queue;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
+
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+
+@FixMethodOrder
+public class TestLinkedBlockingQueue {
+
+    @Test
+    public void givenThereIsExistingCollection_WhenAddedIntoQueue_ThenShouldContainElements() {
+        Collection<Integer> elements = Arrays.asList(1, 2, 3, 4, 5);
+        LinkedBlockingQueue<Integer> linkedBlockingQueue = new LinkedBlockingQueue<>(elements);
+        assertThat(linkedBlockingQueue).containsExactly(1, 2, 3, 4, 5);
+    }
+
+    @Test
+    public void givenQueueIsEmpty_WhenAccessingTheQueue_ThenThreadBlocks() throws InterruptedException {
+        ExecutorService executorService = Executors.newFixedThreadPool(1);
+        LinkedBlockingQueue<Integer> linkedBlockingQueue = new LinkedBlockingQueue<>();
+        executorService.submit(() -> {
+            try {
+                linkedBlockingQueue.take();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        });
+        TimeUnit.SECONDS.sleep(1);
+        executorService.awaitTermination(1, TimeUnit.SECONDS);
+        executorService.shutdown();
+    }
+
+    @Test
+    public void givenProducerPutsElementInQueue_WhenConsumerAccessQueue_ThenItRetrieve() {
+        int element = 10;
+        ExecutorService executorService = Executors.newFixedThreadPool(2);
+        LinkedBlockingQueue<Integer> linkedBlockingQueue = new LinkedBlockingQueue<>();
+        Runnable putTask = () -> {
+            try {
+                linkedBlockingQueue.put(element);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        };
+
+        Callable<Integer> takeTask = () -> {
+            try {
+                return linkedBlockingQueue.take();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            return null;
+        };
+
+        executorService.submit(putTask);
+        Future<Integer> returnElement = executorService.submit(takeTask);
+        try {
+            TimeUnit.SECONDS.sleep(1);
+            assertThat(returnElement.get()
+                .intValue(), is(equalTo(element)));
+            executorService.awaitTermination(1, TimeUnit.SECONDS);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        executorService.shutdown();
+    }
+}

core-java-modules/core-java-exceptions-2/README.md

@@ -9,3 +9,6 @@ This module contains articles about core java exceptions
 - [java.net.UnknownHostException: Invalid Hostname for Server](https://www.baeldung.com/java-unknownhostexception)
 - [How to Handle Java SocketException](https://www.baeldung.com/java-socketexception)
 - [Java Suppressed Exceptions](https://www.baeldung.com/java-suppressed-exceptions)
+- [Java – Try with Resources](https://www.baeldung.com/java-try-with-resources)
+- [Java Global Exception Handler](https://www.baeldung.com/java-global-exception-handler)
+- [How to Find an Exception’s Root Cause in Java](https://www.baeldung.com/java-exception-root-cause)

core-java-modules/core-java-exceptions-2/pom.xml

@@ -23,6 +23,11 @@
             <version>${assertj-core.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons.lang3.version}</version>
+        </dependency>
     </dependencies>
 
     <description> </description>
@@ -30,6 +35,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <commons.lang3.version>3.10</commons.lang3.version>
         <!-- testing -->
         <assertj-core.version>3.10.0</assertj-core.version>
     </properties>

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/Arithmetic.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/ArrayIndexOutOfBounds.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/ClassCast.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/FileNotFound.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import java.io.BufferedReader;
 import java.io.File;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/GlobalExceptionHandler.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/IllegalArgument.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/IllegalState.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import java.util.ArrayList;
 import java.util.Iterator;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/InterruptedExceptionExample.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/MalformedURL.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import java.net.MalformedURLException;
 import java.net.URL;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/NullPointer.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/globalexceptionhandler/NumberFormat.java

@@ -1,4 +1,4 @@
-package com.baeldung.exceptions.globalexceptionhandler;
+package com.baeldung.globalexceptionhandler;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;