Merge branch 'eugenp:master' into master

.gitignore

@@ -64,13 +64,13 @@ core-java-io/hard_link.txt
 core-java-io/target_link.txt
 core-java/src/main/java/com/baeldung/manifest/MANIFEST.MF
 ethereum/logs/
-jmeter/src/main/resources/*-JMeter.csv
+testing-modules/jmeter/src/main/resources/*-JMeter.csv
-jmeter/src/main/resources/*-Basic*.csv
+testing-modules/jmeter/src/main/resources/*-Basic*.csv
-jmeter/src/main/resources/*-JMeter*.csv
+testing-modules/jmeter/src/main/resources/*-JMeter*.csv
-jmeter/src/main/resources/*ReportsDashboard*.csv
+testing-modules/jmeter/src/main/resources/*ReportsDashboard*.csv
-jmeter/src/main/resources/dashboard/*ReportsDashboard*.csv
+testing-modules/jmeter/src/main/resources/dashboard/*ReportsDashboard*.csv
-jmeter/src/main/resources/*FileExtractionExample.csv
+testing-modules/jmeter/src/main/resources/*FileExtractionExample.csv
-jmeter/src/main/resources/*_Summary-Report.csv
+testing-modules/jmeter/src/main/resources/*_Summary-Report.csv
 
 ninja/devDb.mv.db
 
@@ -128,3 +128,6 @@ persistence-modules/neo4j/data/**
 /deep-shallow-copy/.mvn/wrapper
 /deep-shallow-copy/mvnw
 /deep-shallow-copy/mvnw.cmd
+
+#spring-5-webflux-2
+**/testdb.mv.db

algorithms-modules/algorithms-miscellaneous-2/pom.xml

@@ -14,16 +14,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-math3</artifactId>
-            <version>${commons-math3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-            <version>${commons-codec.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>

algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/DijkstraAlgorithmLongRunningUnitTest.java

@@ -1,7 +1,5 @@
 package com.baeldung.algorithms;
 
-
-
 import com.baeldung.algorithms.ga.dijkstra.Dijkstra;
 import com.baeldung.algorithms.ga.dijkstra.Graph;
 import com.baeldung.algorithms.ga.dijkstra.Node;

apache-cxf-modules/cxf-aegis/pom.xml

@@ -20,8 +20,4 @@
         </dependency>
     </dependencies>
 
-    <properties>
-        <cxf.version>4.0.0</cxf.version>
-    </properties>
-
 </project>

apache-cxf-modules/cxf-introduction/pom.xml

@@ -48,7 +48,6 @@
     </build>
 
     <properties>
-        <cxf.version>4.0.0</cxf.version>
         <jakarta-xml.version>4.0.0</jakarta-xml.version>
         <jakarta.jws.version>3.0.0</jakarta.jws.version>
     </properties>

apache-cxf-modules/cxf-jaxrs-implementation/pom.xml

@@ -16,12 +16,12 @@
         <dependency>
             <groupId>org.apache.cxf</groupId>
             <artifactId>cxf-rt-frontend-jaxrs</artifactId>
-            <version>4.0.0</version>
+            <version>${cxf.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.cxf</groupId>
             <artifactId>cxf-rt-transports-http-jetty</artifactId>
-            <version>4.0.0</version>
+            <version>${cxf.version}</version>
         </dependency>
         <dependency>
             <groupId>jakarta.xml.ws</groupId>

apache-cxf-modules/cxf-spring/pom.xml

@@ -115,6 +115,7 @@
     </profiles>
 
     <properties>
+        <cxf.version>3.1.8</cxf.version>
         <spring.version>5.3.25</spring.version>
         <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
         <jstl.version>1.2</jstl.version>

apache-cxf-modules/pom.xml

@@ -35,7 +35,7 @@
     </build>
 
     <properties>
-        <cxf.version>3.1.8</cxf.version>
+        <cxf.version>4.0.0</cxf.version>
     </properties>
 
 </project>

apache-cxf-modules/sse-jaxrs/sse-jaxrs-client/pom.xml

@@ -16,12 +16,12 @@
         <dependency>
             <groupId>org.apache.cxf</groupId>
             <artifactId>cxf-rt-rs-client</artifactId>
-            <version>${cxf-version}</version>
+            <version>${cxf.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.cxf</groupId>
             <artifactId>cxf-rt-rs-sse</artifactId>
-            <version>${cxf-version}</version>
+            <version>${cxf.version}</version>
         </dependency>
         <dependency>
             <groupId>jakarta.ws.rs</groupId>
@@ -60,7 +60,6 @@
     </build>
 
     <properties>
-        <cxf-version>4.0.0</cxf-version>
         <jakarta-ws.version>3.1.0</jakarta-ws.version>
     </properties>
 

apache-poi-3/README.md

@@ -1,3 +1,4 @@
 ## Relevant Articles
 - [How To Convert Excel Data Into List Of Java Objects](https://www.baeldung.com/java-convert-excel-data-into-list)
 - [Expand Columns with Apache POI](https://www.baeldung.com/java-apache-poi-expand-columns)
+- [Apply Bold Text Style for an Entire Row Using Apache POI](https://www.baeldung.com/appache-poi-apply-bold-text-style-entire-row)

aws-modules/aws-lambda-modules/lambda-function/pom.xml

@@ -97,7 +97,7 @@
         <json-simple.version>1.1.1</json-simple.version>
         <aws-lambda-java-events.version>3.11.0</aws-lambda-java-events.version>
         <aws-lambda-java-core.version>1.2.1</aws-lambda-java-core.version>
-        <gson.version>2.8.2</gson.version>
+        <gson.version>2.10.1</gson.version>
     </properties>
 
 </project>

core-java-modules/core-java-11-3/pom.xml

@@ -46,7 +46,7 @@
         <maven.compiler.source.version>11</maven.compiler.source.version>
         <maven.compiler.target.version>11</maven.compiler.target.version>
         <jackson.version>2.16.0</jackson.version>
-        <gson.version>2.10</gson.version>
+        <gson.version>2.10.1</gson.version>
     </properties>
 
 </project>

core-java-modules/core-java-21/README.md

@@ -3,3 +3,4 @@
 - [String Templates in Java 21](https://www.baeldung.com/java-21-string-templates)
 - [Unnamed Classes and Instance Main Methods in Java 21](https://www.baeldung.com/java-21-unnamed-class-instance-main)
 - [Unnamed Patterns and Variables in Java 21](https://www.baeldung.com/java-unnamed-patterns-variables)
+- [JFR View Command in Java 21](https://www.baeldung.com/java-flight-recorder-view)

core-java-modules/core-java-8-datetime-2/README.md

@@ -11,4 +11,6 @@
 - [Retrieving Unix Time in Java](https://www.baeldung.com/java-retrieve-unix-time)
 - [Calculate Months Between Two Dates in Java](https://www.baeldung.com/java-months-difference-two-dates)
 - [Format LocalDate to ISO 8601 With T and Z](https://www.baeldung.com/java-format-localdate-iso-8601-t-z)
+- [Check if Two Date Ranges Overlap](https://www.baeldung.com/java-check-two-date-ranges-overlap)
+- [Difference between ZoneOffset.UTC and ZoneId.of(“UTC”)](https://www.baeldung.com/java-zoneoffset-utc-zoneid-of)
 - [[<-- Prev]](/core-java-modules/core-java-datetime-java8-1)

core-java-modules/core-java-arrays-convert/README.md

@@ -12,3 +12,4 @@ This module contains articles about arrays conversion in Java
 - [Convert an ArrayList of String to a String Array in Java](https://www.baeldung.com/java-convert-string-arraylist-array)
 - [Convert Char Array to Int Array in Java](https://www.baeldung.com/java-convert-char-int-array)
 - [How to Convert Byte Array to Char Array](https://www.baeldung.com/java-convert-byte-array-char)
+- [Convert byte[] to Byte[] and Vice Versa in Java](https://www.baeldung.com/java-byte-array-wrapper-primitive-type-convert)

core-java-modules/core-java-arrays-guides/pom.xml

@@ -7,10 +7,6 @@
     <name>core-java-arrays-guides</name>
     <packaging>jar</packaging>
 
-    <properties>
-        <system-stubs.jupiter.version>2.1.5</system-stubs.jupiter.version>
-    </properties>
-
     <parent>
         <artifactId>core-java-modules</artifactId>
         <groupId>com.baeldung.core-java-modules</groupId>
@@ -34,7 +30,10 @@
             <version>${system-stubs.jupiter.version}</version>
             <scope>test</scope>
         </dependency>
-
     </dependencies>
 
+    <properties>
+        <system-stubs.jupiter.version>2.1.5</system-stubs.jupiter.version>
+    </properties>
+
 </project>

core-java-modules/core-java-collections-5/README.md

@@ -13,4 +13,5 @@
 - [Time Complexity of Java Collections Sort in Java](https://www.baeldung.com/java-time-complexity-collections-sort)
 - [Check if List Contains at Least One Enum](https://www.baeldung.com/java-list-check-enum-presence)
 - [Comparison of for Loops and Iterators](https://www.baeldung.com/java-for-loops-vs-iterators)
+- [PriorityQueue iterator() Method in Java](https://www.baeldung.com/java-priorityqueue-iterator)
 - More articles: [[<-- prev]](/core-java-modules/core-java-collections-4)

core-java-modules/core-java-collections-5/pom.xml

@@ -5,18 +5,6 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections-5</artifactId>
     <name>core-java-collections-5</name>
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>9</source>
-                    <target>9</target>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
     <packaging>jar</packaging>
 
     <parent>
@@ -61,6 +49,19 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>9</source>
+                    <target>9</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <properties>
         <junit.version>5.9.2</junit.version>
         <roaringbitmap.version>0.9.38</roaringbitmap.version>

core-java-modules/core-java-collections-list-5/pom.xml

@@ -55,7 +55,6 @@
             <version>${org.json.version}</version>
             <scope>test</scope>
         </dependency>
-
     </dependencies>
 
     <properties>

core-java-modules/core-java-collections-list-6/README.md

@@ -3,3 +3,4 @@
 - [Removing the Last Node in a Linked List](https://www.baeldung.com/java-linked-list-remove-last-element)
 - [Call a Method on Each Element of a List in Java](https://www.baeldung.com/java-call-method-each-list-item)
 - [Sorting One List Based on Another List in Java](https://www.baeldung.com/java-sorting-one-list-using-another)
+- [Reset ListIterator to First Element of the List in Java](https://www.baeldung.com/java-reset-listiterator)

core-java-modules/core-java-collections-maps-6/pom.xml

@@ -27,7 +27,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.9</version>
+            <version>2.10.1</version>
         </dependency>
         <dependency>
             <groupId>org.json</groupId>

core-java-modules/core-java-collections-set/pom.xml

@@ -41,7 +41,7 @@
     </build>
 
     <properties>
-        <gson.version>2.8.5</gson.version>
+        <gson.version>2.10.1</gson.version>
     </properties>
 
 </project>

core-java-modules/core-java-concurrency-advanced-5/src/main/java/com/baeldung/countdownlatchvssemaphore/CountDownLatchDemo.java

@@ -0,0 +1,33 @@
+package com.baeldung.countdownlatchvssemaphore;
+
+import java.util.concurrent.CountDownLatch;
+
+public class CountDownLatchDemo {
+
+    public static void main(String[] args) throws InterruptedException {
+        // Create a CountDownLatch with an initial count equal to the number of tasks to be completed
+        int numberOfTasks = 3;
+        CountDownLatch latch = new CountDownLatch(numberOfTasks);
+
+        // Simulate completion of tasks by worker threads
+        for (int i = 1; i <= numberOfTasks; i++) {
+            new Thread(() -> {
+                System.out.println("Task completed by Thread " + Thread.currentThread()
+                    .getId());
+
+                // Decrement the latch count to signal completion of a task
+                latch.countDown();
+            }).start();
+        }
+
+        // Main thread waits until all tasks are completed
+        latch.await();
+        System.out.println("All tasks completed. Main thread proceeds.");
+
+        // Attempting to reset will have no effect
+        latch.countDown();
+        // Latch is already at zero, await() returns immediately
+        latch.await(); // This line won't block
+        System.out.println("Latch is already at zero and cannot be reset.");
+    }
+}

core-java-modules/core-java-concurrency-advanced-5/src/main/java/com/baeldung/countdownlatchvssemaphore/SemaphoreDemo.java

@@ -0,0 +1,42 @@
+package com.baeldung.countdownlatchvssemaphore;
+
+import java.util.concurrent.Semaphore;
+
+public class SemaphoreDemo {
+
+    public static void main(String[] args) {
+        // Create a Semaphore with a fixed number of permits
+        int NUM_PERMITS = 3;
+        Semaphore semaphore = new Semaphore(NUM_PERMITS);
+
+        // Simulate resource access by worker threads
+        for (int i = 1; i <= 5; i++) {
+            new Thread(() -> {
+                try {
+                    // Acquire a permit to access the resource
+                    semaphore.acquire();
+                    System.out.println("Thread " + Thread.currentThread().getId() + " accessing resource.");
+
+                    // Simulate resource usage
+                    Thread.sleep(2000);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                } finally {
+                    // Release the permit after resource access is complete
+                    semaphore.release();
+                }
+            }).start();
+        }
+
+        // Simulate resetting the Semaphore by releasing additional permits after a delay
+        try {
+            Thread.sleep(5000);
+
+            // Resetting the semaphore permits to the initial count
+            semaphore.release(NUM_PERMITS);
+            System.out.println("Semaphore permits reset to initial count.");
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}

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

@@ -8,3 +8,4 @@
 - [System.console() vs. System.out](https://www.baeldung.com/java-system-console-vs-system-out)
 - [How to Log to the Console in Color](https://www.baeldung.com/java-log-console-in-color)
 - [Create Table Using ASCII in a Console in Java](https://www.baeldung.com/java-console-ascii-make-table)
+- [Printing Message on Console without Using main() Method in Java](https://www.baeldung.com/java-no-main-print-message-console)

core-java-modules/core-java-date-operations-4/README.md

@@ -2,4 +2,5 @@
 This module contains articles about date operations in Java.
 
 ### Relevant Articles:
+- [Calculate Number of Weekdays Between Two Dates in Java](https://www.baeldung.com/java-count-weekdays-between-two-dates)
 

core-java-modules/core-java-datetime-conversion-2/src/main/java/com/baeldung/stringdatetoxmlgregoriancalendar/StringDateToXMLGregorianCalendarConverter.java

@@ -0,0 +1,42 @@
+package com.baeldung.stringdatetoxmlgregoriancalendar;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.util.Date;
+import java.util.GregorianCalendar;
+
+import javax.xml.datatype.DatatypeConfigurationException;
+import javax.xml.datatype.DatatypeFactory;
+import javax.xml.datatype.XMLGregorianCalendar;
+
+import org.joda.time.DateTime;
+import org.joda.time.format.DateTimeFormat;
+
+public class StringDateToXMLGregorianCalendarConverter {
+    public static XMLGregorianCalendar usingDatatypeFactoryForDate(String dateAsString) throws DatatypeConfigurationException {
+        return DatatypeFactory.newInstance().newXMLGregorianCalendar(dateAsString);
+    }
+
+    public static XMLGregorianCalendar usingLocalDate(String dateAsString) throws DatatypeConfigurationException {
+        LocalDate localDate = LocalDate.parse(dateAsString);
+        return DatatypeFactory.newInstance().newXMLGregorianCalendar(localDate.toString());
+    }
+
+    public static XMLGregorianCalendar usingSimpleDateFormat(String dateTimeAsString) throws DatatypeConfigurationException, ParseException {
+        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
+        Date date = simpleDateFormat.parse(dateTimeAsString);
+        return DatatypeFactory.newInstance().newXMLGregorianCalendar(simpleDateFormat.format(date));
+    }
+
+    public static XMLGregorianCalendar usingGregorianCalendar(String dateTimeAsString) throws DatatypeConfigurationException, ParseException {
+        GregorianCalendar calendar = new GregorianCalendar();
+        calendar.setTime(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").parse(dateTimeAsString));
+        return DatatypeFactory.newInstance().newXMLGregorianCalendar(calendar);
+    }
+
+    public static XMLGregorianCalendar usingJodaTime(String dateTimeAsString) throws DatatypeConfigurationException {
+        DateTime dateTime = DateTime.parse(dateTimeAsString, DateTimeFormat.forPattern("yyyy-MM-dd'T'HH:mm:ss"));
+        return DatatypeFactory.newInstance().newXMLGregorianCalendar(dateTime.toGregorianCalendar());
+    }
+}

core-java-modules/core-java-datetime-conversion-2/src/test/java/com/baeldung/stringdatetoxmlgregoriancalendar/StringDateToXMLGregorianCalendarConverterUnitTest.java

@@ -0,0 +1,63 @@
+package com.baeldung.stringdatetoxmlgregoriancalendar;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.text.ParseException;
+import javax.xml.datatype.DatatypeConfigurationException;
+import javax.xml.datatype.XMLGregorianCalendar;
+
+import org.junit.jupiter.api.Test;
+
+public class StringDateToXMLGregorianCalendarConverterUnitTest {
+    private static final String dateAsString = "2014-04-24";
+    private static final String dateTimeAsString = "2014-04-24T15:45:30";
+
+    @Test
+    void givenStringDate_whenUsingDatatypeFactory_thenConvertToXMLGregorianCalendar() throws DatatypeConfigurationException {
+        XMLGregorianCalendar xmlGregorianCalendar = StringDateToXMLGregorianCalendarConverter.usingDatatypeFactoryForDate(dateAsString);
+        assertEquals(24,xmlGregorianCalendar.getDay());
+        assertEquals(4,xmlGregorianCalendar.getMonth());
+        assertEquals(2014,xmlGregorianCalendar.getYear());
+    }
+
+    @Test
+    void givenStringDateTime_whenUsingApacheCommonsLang3_thenConvertToXMLGregorianCalendar() throws DatatypeConfigurationException {
+        XMLGregorianCalendar xmlGregorianCalendar = StringDateToXMLGregorianCalendarConverter.usingLocalDate(dateAsString);
+        assertEquals(24,xmlGregorianCalendar.getDay());
+        assertEquals(4,xmlGregorianCalendar.getMonth());
+        assertEquals(2014,xmlGregorianCalendar.getYear());
+    }
+
+    @Test
+    void givenStringDateTime_whenUsingSimpleDateFormat_thenConvertToXMLGregorianCalendar() throws DatatypeConfigurationException, ParseException {
+        XMLGregorianCalendar xmlGregorianCalendar = StringDateToXMLGregorianCalendarConverter.usingSimpleDateFormat(dateTimeAsString);
+        assertEquals(24,xmlGregorianCalendar.getDay());
+        assertEquals(4,xmlGregorianCalendar.getMonth());
+        assertEquals(2014,xmlGregorianCalendar.getYear());
+        assertEquals(15,xmlGregorianCalendar.getHour());
+        assertEquals(45,xmlGregorianCalendar.getMinute());
+        assertEquals(30,xmlGregorianCalendar.getSecond());
+    }
+
+    @Test
+    void givenStringDateTime_whenUsingGregorianCalendar_thenConvertToXMLGregorianCalendar() throws DatatypeConfigurationException, ParseException {
+        XMLGregorianCalendar xmlGregorianCalendar = StringDateToXMLGregorianCalendarConverter.usingGregorianCalendar(dateTimeAsString);
+        assertEquals(24,xmlGregorianCalendar.getDay());
+        assertEquals(4,xmlGregorianCalendar.getMonth());
+        assertEquals(2014,xmlGregorianCalendar.getYear());
+        assertEquals(15,xmlGregorianCalendar.getHour());
+        assertEquals(45,xmlGregorianCalendar.getMinute());
+        assertEquals(30,xmlGregorianCalendar.getSecond());
+    }
+
+    @Test
+     void givenStringDateTime_whenUsingJodaTime_thenConvertToXMLGregorianCalendar() throws DatatypeConfigurationException {
+        XMLGregorianCalendar xmlGregorianCalendar = StringDateToXMLGregorianCalendarConverter.usingJodaTime(dateTimeAsString);
+        assertEquals(24,xmlGregorianCalendar.getDay());
+        assertEquals(4,xmlGregorianCalendar.getMonth());
+        assertEquals(2014,xmlGregorianCalendar.getYear());
+        assertEquals(15,xmlGregorianCalendar.getHour());
+        assertEquals(45,xmlGregorianCalendar.getMinute());
+        assertEquals(30,xmlGregorianCalendar.getSecond());
+    }
+}

core-java-modules/core-java-datetime-string-2/README.md

@@ -5,3 +5,4 @@ This module contains articles about parsing and formatting Java date and time ob
 ### Relevant Articles: 
 - [Convert String to Instant](https://www.baeldung.com/java-string-to-instant)
 - [Sort Date Strings in Java](https://www.baeldung.com/java-sort-date-strings)
+- [Using Current Time as Filename in Java](https://www.baeldung.com/java-current-time-filename)

core-java-modules/core-java-io-5/file.txt

@@ -0,0 +1 @@
+Hello, world!