Merge branch 'master' into JAVA-24007

algorithms-modules/algorithms-miscellaneous-5/src/main/java/com/baeldung/algorithms/maximumsubarray/KadaneAlgorithm.java

@@ -5,7 +5,7 @@ import org.slf4j.LoggerFactory;
 
 public class KadaneAlgorithm {
 
-    private Logger logger = LoggerFactory.getLogger(BruteForceAlgorithm.class.getName());
+    private Logger logger = LoggerFactory.getLogger(KadaneAlgorithm.class.getName());
 
     public int maxSubArraySum(int[] arr) {
 
@@ -14,15 +14,15 @@ public class KadaneAlgorithm {
         int end = 0;
 
         int maxSoFar = arr[0], maxEndingHere = arr[0];
+
         for (int i = 1; i < size; i++) {
-
-            if (arr[i] > maxEndingHere + arr[i]) {
-                start = i;
+            maxEndingHere = maxEndingHere + arr[i];
+            if (arr[i] > maxEndingHere) {
                 maxEndingHere = arr[i];
-            } else {
-                maxEndingHere = maxEndingHere + arr[i];
+                if (maxSoFar < maxEndingHere) {
+                    start = i;
+                }
             }
-
             if (maxSoFar < maxEndingHere) {
                 maxSoFar = maxEndingHere;
                 end = i;

algorithms-modules/algorithms-miscellaneous-5/src/test/java/com/baeldung/algorithms/maximumsubarray/KadaneAlgorithmUnitTest.java

@@ -7,7 +7,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 class KadaneAlgorithmUnitTest {
 
     @Test
-    void givenArrayWithNegativeNumberWhenMaximumSubarrayThenReturns6() {
+    void givenArrayWithNegativeNumberWhenMaximumSubarrayThenReturnsExpectedResult() {
         //given
         int[] arr = new int[] { -3, 1, -8, 4, -1, 2, 1, -5, 5 };
         //when
@@ -27,7 +27,7 @@ class KadaneAlgorithmUnitTest {
         //then
         assertEquals(-1, maxSum);
     }
-    
+
     @Test
     void givenArrayWithAllPosiitveNumbersWhenMaximumSubarrayThenReturnsExpectedResult() {
         //given
@@ -39,4 +39,15 @@ class KadaneAlgorithmUnitTest {
         assertEquals(10, maxSum);
     }
 
+    @Test
+    void givenArrayToTestStartIndexWhenMaximumSubarrayThenReturnsExpectedResult() {
+        //given
+        int[] arr = new int[] { 1, 2, -1, 3, -6, -2 };
+        //when
+        KadaneAlgorithm algorithm = new KadaneAlgorithm();
+        int maxSum = algorithm.maxSubArraySum(arr);
+        //then
+        assertEquals(5, maxSum);
+    }
+
 }

algorithms-modules/algorithms-miscellaneous-7/README.md

@@ -3,4 +3,5 @@
 - [Algorithm to Identify and Validate a Credit Card Number](https://www.baeldung.com/java-validate-cc-number)
 - [Find the N Most Frequent Elements in a Java Array](https://www.baeldung.com/java-n-most-frequent-elements-array)
 - [Getting Pixel Array From Image in Java](https://www.baeldung.com/java-getting-pixel-array-from-image)
+- [Calculate Distance Between Two Coordinates in Java](https://www.baeldung.com/java-find-distance-between-points)
 - More articles: [[<-- prev]](/algorithms-miscellaneous-6)

aws-modules/aws-s3/README.md

@@ -8,4 +8,5 @@ This module contains articles about Simple Storage Service (S3) on AWS
 - [Multipart Uploads in Amazon S3 with Java](https://www.baeldung.com/aws-s3-multipart-upload)
 - [Using the JetS3t Java Client With Amazon S3](https://www.baeldung.com/jets3t-amazon-s3)
 - [Check if a Specified Key Exists in a Given S3 Bucket Using Java](https://www.baeldung.com/java-aws-s3-check-specified-key-exists)
-- [Listing All AWS S3 Objects in a Bucket Using Java](https://www.baeldung.com/java-aws-s3-list-bucket-objects) 
+- [Listing All AWS S3 Objects in a Bucket Using Java](https://www.baeldung.com/java-aws-s3-list-bucket-objects)
+- [Update an Existing Amazon S3 Object Using Java](https://www.baeldung.com/java-update-amazon-s3-object)

core-java-modules/core-java-arrays-operations-advanced/README.md

@@ -13,3 +13,4 @@ This module contains articles about advanced operations on arrays in Java. They
 - [Performance of System.arraycopy() vs. Arrays.copyOf()](https://www.baeldung.com/java-system-arraycopy-arrays-copyof-performance)
 - [Slicing Arrays in Java](https://www.baeldung.com/java-slicing-arrays)
 - [Combining Two or More Byte Arrays](https://www.baeldung.com/java-concatenate-byte-arrays)
+- [Calculating the Sum of Two Arrays in Java](https://www.baeldung.com/java-sum-arrays-element-wise)

core-java-modules/core-java-collections-conversions-2/README.md

@@ -13,4 +13,5 @@ This module contains articles about conversions among Collection types and array
 - [Combining Two Lists Into a Map in Java](https://www.baeldung.com/java-combine-two-lists-into-map)
 - [Convert a List of Strings to a List of Integers](https://www.baeldung.com/java-convert-list-strings-to-integers)
 - [Convert List to Long[] Array in Java](https://www.baeldung.com/java-convert-list-object-to-long-array)
+- [Get the First n Elements of a List Into an Array](https://www.baeldung.com/java-take-start-elements-list-array)
 - More articles: [[<-- prev]](../core-java-collections-conversions)

core-java-modules/core-java-collections-maps-3/README.md

@@ -9,4 +9,5 @@ This module contains articles about Map data structures in Java.
 - [Collections.synchronizedMap vs. ConcurrentHashMap](https://www.baeldung.com/java-synchronizedmap-vs-concurrenthashmap)
 - [Java HashMap Load Factor](https://www.baeldung.com/java-hashmap-load-factor)
 - [Converting Java Properties to HashMap](https://www.baeldung.com/java-convert-properties-to-hashmap)
+- [Get Values and Keys as ArrayList From a HashMap](https://www.baeldung.com/java-values-keys-arraylists-hashmap)
 - More articles: [[<-- prev]](/core-java-modules/core-java-collections-maps-2)

core-java-modules/core-java-datetime-conversion/README.md

@@ -9,3 +9,4 @@ This module contains articles about converting between Java date and time object
 - [Convert Between java.time.Instant and java.sql.Timestamp](https://www.baeldung.com/java-time-instant-to-java-sql-timestamp)
 - [Convert Between LocalDateTime and ZonedDateTime](https://www.baeldung.com/java-localdatetime-zoneddatetime)
 - [Conversion From 12-Hour Time to 24-Hour Time in Java](https://www.baeldung.com/java-convert-time-format)
+- [Convert Epoch Time to LocalDate and LocalDateTime](https://www.baeldung.com/java-convert-epoch-localdate)

core-java-modules/core-java-lang-oop-inheritance/README.md

@@ -12,3 +12,4 @@ This module contains articles about inheritance in Java
 - [Guide to Inheritance in Java](https://www.baeldung.com/java-inheritance)
 - [Object Type Casting in Java](https://www.baeldung.com/java-type-casting)
 - [Variable and Method Hiding in Java](https://www.baeldung.com/java-variable-method-hiding)
+- [Inner Classes Vs. Subclasses in Java](https://www.baeldung.com/java-inner-classes-vs-subclasses)

core-java-modules/core-java-lang-operators/src/test/java/com/baeldung/modulo/ModuloUnitTest.java

@@ -1,54 +1,77 @@
 package com.baeldung.modulo;
 
+import static org.junit.Assert.assertEquals;
+
 import org.junit.Test;
 import static org.assertj.core.api.Java6Assertions.*;
 
 public class ModuloUnitTest {
 
-  @Test
-  public void whenIntegerDivision_thenLosesRemainder(){
-    assertThat(11 / 4).isEqualTo(2);
-  }
-
-  @Test
-  public void whenDoubleDivision_thenKeepsRemainder(){
-    assertThat(11 / 4.0).isEqualTo(2.75);
-  }
-
-  @Test
-  public void whenModulo_thenReturnsRemainder(){
-    assertThat(11 % 4).isEqualTo(3);
-  }
-
-  @Test(expected = ArithmeticException.class)
-  public void whenDivisionByZero_thenArithmeticException(){
-    double result = 1 / 0;
-  }
-
-  @Test(expected = ArithmeticException.class)
-  public void whenModuloByZero_thenArithmeticException(){
-    double result = 1 % 0;
-  }
-
-  @Test
-  public void whenDivisorIsOddAndModulusIs2_thenResultIs1(){
-    assertThat(3 % 2).isEqualTo(1);
-  }
-
-  @Test
-  public void whenDivisorIsEvenAndModulusIs2_thenResultIs0(){
-    assertThat(4 % 2).isEqualTo(0);
-  }
-
-  @Test
-  public void whenItemsIsAddedToCircularQueue_thenNoArrayIndexOutOfBounds(){
-    int QUEUE_CAPACITY= 10;
-    int[] circularQueue = new int[QUEUE_CAPACITY];
-    int itemsInserted = 0;
-    for (int value = 0; value < 1000; value++) {
-      int writeIndex = ++itemsInserted % QUEUE_CAPACITY;
-      circularQueue[writeIndex] = value;
+    @Test
+    public void whenIntegerDivision_thenLosesRemainder() {
+        assertThat(11 / 4).isEqualTo(2);
+    }
+
+    @Test
+    public void whenDoubleDivision_thenKeepsRemainder() {
+        assertThat(11 / 4.0).isEqualTo(2.75);
+    }
+
+    @Test
+    public void whenModulo_thenReturnsRemainder() {
+        assertThat(11 % 4).isEqualTo(3);
+    }
+
+    @Test(expected = ArithmeticException.class)
+    public void whenDivisionByZero_thenArithmeticException() {
+        double result = 1 / 0;
+    }
+
+    @Test(expected = ArithmeticException.class)
+    public void whenModuloByZero_thenArithmeticException() {
+        double result = 1 % 0;
+    }
+
+    @Test
+    public void whenDivisorIsOddAndModulusIs2_thenResultIs1() {
+        assertThat(3 % 2).isEqualTo(1);
+    }
+
+    @Test
+    public void whenDivisorIsEvenAndModulusIs2_thenResultIs0() {
+        assertThat(4 % 2).isEqualTo(0);
+    }
+
+    @Test
+    public void whenDividendIsNegativeAndModulusIs2_thenResultIsNegative() {
+        assertEquals(-1, -9 % 2);
+    }
+
+    @Test
+    public void whenDividendIsNegativeAndRemainderIsCheckedForNegativeValue_thenResultIsPositive() {
+        int remainder = -9 % 2;
+
+        if (remainder < 0) {
+            remainder += 2;
+        }
+        assertEquals(1, remainder);
+    }
+
+    @Test
+    public void whenDividendIsNegativeAndUsesMathClass_thenResultIsPositive() {
+        int remainder = Math.floorMod(-9, 2);
+        assertEquals(1, remainder);
+    }
+
+    @Test
+    public void whenItemsIsAddedToCircularQueue_thenNoArrayIndexOutOfBounds() {
+        int QUEUE_CAPACITY = 10;
+        int[] circularQueue = new int[QUEUE_CAPACITY];
+        int itemsInserted = 0;
+        for (int value = 0; value < 1000; value++) {
+            int writeIndex = ++itemsInserted % QUEUE_CAPACITY;
+            circularQueue[writeIndex] = value;
+        }
     }
-  }
 
 }

core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/squarebrackets/ExtractTextBetweenSquareBracketsUnitTest.java

@@ -0,0 +1,98 @@
+package com.baeldung.regex.squarebrackets;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.junit.jupiter.api.Test;
+
+import com.google.common.collect.Lists;
+
+public class ExtractTextBetweenSquareBracketsUnitTest {
+    static final String INPUT1 = "some text [THE IMPORTANT MESSAGE] something else";
+    static final String EXPECTED1 = "THE IMPORTANT MESSAGE";
+
+    static final String INPUT2 = "[La La Land], [The last Emperor], and [Life of Pi] are all great movies.";
+    static final List<String> EXPECTED2 = Lists.newArrayList("La La Land", "The last Emperor", "Life of Pi");
+
+    @Test
+    void whenUsingDotStarOnInput1_thenGetExpectedResult() {
+        String result = null;
+        String rePattern = "\\[(.*)]";
+        Pattern p = Pattern.compile(rePattern);
+        Matcher m = p.matcher(INPUT1);
+        if (m.find()) {
+            result = m.group(1);
+        }
+        assertThat(result).isEqualTo(EXPECTED1);
+    }
+
+    @Test
+    void whenUsingCharClassOnInput1_thenGetExpectedResult() {
+        String result = null;
+        String rePattern = "\\[([^]]*)";
+        Pattern p = Pattern.compile(rePattern);
+        Matcher m = p.matcher(INPUT1);
+        if (m.find()) {
+            result = m.group(1);
+        }
+        assertThat(result).isEqualTo(EXPECTED1);
+    }
+
+    @Test
+    void whenUsingSplitOnInput1_thenGetExpectedResult() {
+        String[] strArray = INPUT1.split("[\\[\\]]", -1);
+        String result = strArray.length == 3 ? strArray[1] : null;
+
+        assertThat(result).isEqualTo(EXPECTED1);
+    }
+
+    @Test
+    void whenUsingSplitWithLimit_thenGetExpectedResult() {
+        String[] strArray = "[THE IMPORTANT MESSAGE]".split("[\\[\\]]");
+        assertThat(strArray).hasSize(2)
+          .containsExactly("", "THE IMPORTANT MESSAGE");
+
+        strArray = "[THE IMPORTANT MESSAGE]".split("[\\[\\]]", -1);
+        assertThat(strArray).hasSize(3)
+          .containsExactly("", "THE IMPORTANT MESSAGE", "");
+    }
+
+    @Test
+    void whenUsingNonGreedyOnInput2_thenGetExpectedResult() {
+        List<String> result = new ArrayList<>();
+        String rePattern = "\\[(.*?)]";
+        Pattern p = Pattern.compile(rePattern);
+        Matcher m = p.matcher(INPUT2);
+        while (m.find()) {
+            result.add(m.group(1));
+        }
+        assertThat(result).isEqualTo(EXPECTED2);
+    }
+
+    @Test
+    void whenUsingCharClassOnInput2_thenGetExpectedResult() {
+        List<String> result = new ArrayList<>();
+        String rePattern = "\\[([^]]*)";
+        Pattern p = Pattern.compile(rePattern);
+        Matcher m = p.matcher(INPUT2);
+        while (m.find()) {
+            result.add(m.group(1));
+        }
+        assertThat(result).isEqualTo(EXPECTED2);
+    }
+
+    @Test
+    void whenUsingSplitInput2_thenGetExpectedResult() {
+        List<String> result = new ArrayList<>();
+        String[] strArray = INPUT2.split("[\\[\\]]", -1);
+        for (int i = 1; i < strArray.length; i += 2) {
+            result.add(strArray[i]);
+        }
+        assertThat(result).isEqualTo(EXPECTED2);
+    }
+
+}

jackson-modules/jackson-conversions/src/test/java/com/baeldung/jackson/date/JacksonDateUnitTest.java

@@ -20,6 +20,7 @@ import org.joda.time.DateTimeZone;
 import org.junit.Test;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.util.StdDateFormat;
@@ -67,6 +68,8 @@ public class JacksonDateUnitTest {
         ObjectMapper objectMapper = new ObjectMapper();
         objectMapper.findAndRegisterModules();
         objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+        objectMapper.enable(SerializationFeature.WRITE_DATES_WITH_ZONE_ID);
+        objectMapper.disable(DeserializationFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE);
         ZonedDateTime now = ZonedDateTime.now(ZoneId.of("UTC"));
         String converted = objectMapper.writeValueAsString(now);
      

json-modules/json-2/README.md

@@ -13,5 +13,6 @@ This module contains articles about JSON.
 - [Getting a Value in JSONObject](https://www.baeldung.com/java-jsonobject-get-value)
 - [Pretty-Print a JSON in Java](https://www.baeldung.com/java-json-pretty-print)
 - [Remove Whitespaces From a JSON in Java](https://www.baeldung.com/java-json-minify-remove-whitespaces)
+- [Programmatic Generation of JSON Schemas in Java](https://www.baeldung.com/java-json-schema-create-automatically)
 - More Articles: [[<-- prev]](/json-modules/json)
 

json-modules/json-arrays/README.md

@@ -0,0 +1,2 @@
+## Relevant Articles
+- [How to Check if a Value Exists in a JSON Array for a Particular Key](https://www.baeldung.com/java-json-array-check-key-value-pair)

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

@@ -9,3 +9,4 @@
 - [Get the Number of Rows in a ResultSet](https://www.baeldung.com/java-resultset-number-of-rows)
 - [Converting a JDBC ResultSet to JSON in Java](https://www.baeldung.com/java-jdbc-convert-resultset-to-json)
 - [Guide to MicroStream](https://www.baeldung.com/microstream-intro)
+- [Executing SQL Script File in Java](https://www.baeldung.com/java-run-sql-script)

spring-boot-modules/pom.xml

@@ -44,7 +44,7 @@
         <module>spring-boot-graphql</module>
         <module>spring-boot-groovy</module>
         <!-- <module>spring-boot-gradle</module> --> <!-- Not a maven project -->
-        <!--<module>spring-boot-jasypt</module>--> <!-- Fixing in JAVA-24011 -->
+        <module>spring-boot-jasypt</module>
         <module>spring-boot-jsp</module>
         <module>spring-boot-keycloak</module>
         <module>spring-boot-keycloak-2</module>
@@ -91,6 +91,7 @@
         <module>spring-boot-3-native</module>
         <module>spring-boot-3-observation</module>
         <module>spring-boot-3-test-pitfalls</module>
+        <module>spring-boot-3-testcontainers</module>
         <module>spring-boot-resilience4j</module>
         <module>spring-boot-properties</module>
         <module>spring-boot-properties-2</module>

spring-boot-modules/spring-boot-3-testcontainers/README.md

@@ -0,0 +1 @@
+## Relevant Articles

spring-boot-modules/spring-boot-3-testcontainers/pom.xml

@@ -0,0 +1,102 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>spring-boot-3-testcontainers</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>spring-boot-3-testcontainers</name>
+    <description>Testcontainer Improvements in Spring Boot 3</description>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-3</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-3</relativePath>
+    </parent>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-mongodb</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-testcontainers</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>mongodb</artifactId>
+            <version>${testcontainers.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>testcontainers</artifactId>
+            <version>${testcontainers.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>${testcontainers.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>io.rest-assured</groupId>
+            <artifactId>rest-assured</artifactId>
+            <version>${rest-assured.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                </plugin>
+                <plugin>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-maven-plugin</artifactId>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <maven-surefire-plugin.version>3.0.0-M7</maven-surefire-plugin.version>
+        <testcontainers.version>1.18.3</testcontainers.version>
+        <rest-assured.version>5.3.1</rest-assured.version>
+    </properties>
+
+</project>

spring-boot-modules/spring-boot-3-testcontainers/src/main/java/com/baeldung/testcontainers/Application.java

@@ -0,0 +1,14 @@
+package com.baeldung.testcontainers;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
+
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+}

spring-boot-modules/spring-boot-3-testcontainers/src/main/java/com/baeldung/testcontainers/support/MiddleEarthCharacter.java

@@ -0,0 +1,13 @@
+package com.baeldung.testcontainers.support;
+
+import java.util.UUID;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.mapping.Document;
+
+@Document("characters")
+public record MiddleEarthCharacter(@Id String id, String name, String race) {
+    public MiddleEarthCharacter(String name, String race) {
+        this(UUID.randomUUID().toString(), name, race);
+    }
+}

spring-boot-modules/spring-boot-3-testcontainers/src/main/java/com/baeldung/testcontainers/support/MiddleEarthCharactersController.java

@@ -0,0 +1,30 @@
+package com.baeldung.testcontainers.support;
+
+import java.util.List;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("characters")
+public class MiddleEarthCharactersController {
+    private final MiddleEarthCharactersRepository repository;
+
+    public MiddleEarthCharactersController(MiddleEarthCharactersRepository repository) {
+        this.repository = repository;
+    }
+
+    @GetMapping
+    public List<MiddleEarthCharacter> findByRace(@RequestParam String race) {
+        return repository.findAllByRace(race);
+    }
+
+    @PostMapping
+    public MiddleEarthCharacter save(@RequestBody MiddleEarthCharacter character) {
+        return repository.save(character);
+    }
+}

spring-boot-modules/spring-boot-3-testcontainers/src/main/java/com/baeldung/testcontainers/support/MiddleEarthCharactersRepository.java

@@ -0,0 +1,11 @@
+package com.baeldung.testcontainers.support;
+
+import java.util.List;
+
+import org.springframework.data.mongodb.repository.MongoRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface MiddleEarthCharactersRepository extends MongoRepository<MiddleEarthCharacter, String> {
+    List<MiddleEarthCharacter> findAllByRace(String race);
+}

spring-boot-modules/spring-boot-3-testcontainers/src/test/java/com/baeldung/testcontainers/DynamicPropertiesIntegrationTest.java

@@ -0,0 +1,59 @@
+package com.baeldung.testcontainers;
+
+import static io.restassured.RestAssured.when;
+import static org.hamcrest.Matchers.hasItems;
+import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.DEFINED_PORT;
+import static org.springframework.test.annotation.DirtiesContext.ClassMode.AFTER_CLASS;
+
+import java.util.List;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+import org.testcontainers.utility.DockerImageName;
+
+import com.baeldung.testcontainers.support.MiddleEarthCharacter;
+import com.baeldung.testcontainers.support.MiddleEarthCharactersRepository;
+
+@Testcontainers
+@SpringBootTest(webEnvironment = DEFINED_PORT)
+@DirtiesContext(classMode = AFTER_CLASS)
+class DynamicPropertiesIntegrationTest {
+    @Container
+    static MongoDBContainer mongoDBContainer = new MongoDBContainer(DockerImageName.parse("mongo:4.0.10"));
+
+    @DynamicPropertySource
+    static void setProperties(DynamicPropertyRegistry registry) {
+        registry.add("spring.data.mongodb.uri", mongoDBContainer::getReplicaSetUrl);
+    }
+
+    @Autowired
+    private MiddleEarthCharactersRepository repository;
+
+    @BeforeEach
+    void beforeEach() {
+        repository.deleteAll();
+    }
+
+    @Test
+    void whenRequestingHobbits_thenReturnFrodoAndSam() {
+        repository.saveAll(List.of(
+            new MiddleEarthCharacter("Frodo", "hobbit"),
+            new MiddleEarthCharacter("Samwise", "hobbit"),
+            new MiddleEarthCharacter("Aragon", "human"),
+            new MiddleEarthCharacter("Gandalf", "wizzard")
+        ));
+
+        when().get("/characters?race=hobbit")
+          .then().statusCode(200)
+          .and().body("name", hasItems("Frodo", "Samwise"));
+    }
+
+}

spring-boot-modules/spring-boot-3-testcontainers/src/test/java/com/baeldung/testcontainers/LocalDevApplication.java

@@ -0,0 +1,29 @@
+package com.baeldung.testcontainers;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.devtools.restart.RestartScope;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+import org.springframework.context.annotation.Bean;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.utility.DockerImageName;
+
+class LocalDevApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.from(Application::main)
+          .with(LocalDevTestcontainersConfig.class)
+          .run(args);
+    }
+
+    @TestConfiguration(proxyBeanMethods = false)
+    static class LocalDevTestcontainersConfig {
+        @Bean
+        @RestartScope
+        @ServiceConnection
+        public MongoDBContainer mongoDBContainer() {
+            return new MongoDBContainer(DockerImageName.parse("mongo:4.0.10"));
+        }
+    }
+
+}

spring-boot-modules/spring-boot-3-testcontainers/src/test/java/com/baeldung/testcontainers/ServiceConnectionIntegrationTest.java

@@ -0,0 +1,55 @@
+package com.baeldung.testcontainers;
+
+import static io.restassured.RestAssured.when;
+import static org.hamcrest.Matchers.hasItems;
+import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.DEFINED_PORT;
+import static org.springframework.test.annotation.DirtiesContext.ClassMode.AFTER_CLASS;
+
+import java.util.List;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+import org.springframework.test.annotation.DirtiesContext;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+import org.testcontainers.utility.DockerImageName;
+
+import com.baeldung.testcontainers.support.MiddleEarthCharacter;
+import com.baeldung.testcontainers.support.MiddleEarthCharactersRepository;
+
+@Testcontainers
+@SpringBootTest(webEnvironment = DEFINED_PORT)
+@DirtiesContext(classMode = AFTER_CLASS)
+class ServiceConnectionIntegrationTest {
+
+    @Container
+    @ServiceConnection
+    static MongoDBContainer mongoDBContainer = new MongoDBContainer(DockerImageName.parse("mongo:4.0.10"));
+
+    @Autowired
+    private MiddleEarthCharactersRepository repository;
+
+    @BeforeEach
+    void beforeEach() {
+        repository.deleteAll();
+    }
+
+    @Test
+    void whenRequestingHobbits_thenReturnFrodoAndSam() {
+        repository.saveAll(List.of(
+            new MiddleEarthCharacter("Frodo", "hobbit"),
+            new MiddleEarthCharacter("Samwise", "hobbit"),
+            new MiddleEarthCharacter("Aragon", "human"),
+            new MiddleEarthCharacter("Gandalf", "wizzard")
+        ));
+
+        when().get("/characters?race=hobbit")
+          .then().statusCode(200)
+          .and().body("name", hasItems("Frodo", "Samwise"));
+    }
+
+}

spring-boot-modules/spring-boot-jasypt/pom.xml

@@ -50,4 +50,11 @@
         <jasypt.version>2.0.0</jasypt.version>
     </properties>
 
+    <repositories>
+        <repository>
+            <id>spring-milestone</id>
+            <name>Spring Milestone</name>
+            <url>https://repo.spring.io/milestone</url>
+        </repository>
+    </repositories>
 </project>

spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/configurationproperties/ImmutableCredentials.java

@@ -1,6 +1,7 @@
 package com.baeldung.configurationproperties;
 
 import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.bind.ConstructorBinding;
 
 @ConfigurationProperties(prefix = "mail.credentials")
 public class ImmutableCredentials {
@@ -9,12 +10,19 @@ public class ImmutableCredentials {
     private final String username;
     private final String password;
 
+    @ConstructorBinding
     public ImmutableCredentials(String authMethod, String username, String password) {
         this.authMethod = authMethod;
         this.username = username;
         this.password = password;
     }
 
+    public ImmutableCredentials(String username, String password) {
+        this.username = username;
+        this.password = password;
+        this.authMethod = "Default";
+    }
+
     public String getAuthMethod() {
         return authMethod;
     }

spring-boot-modules/spring-boot-telegram/README.md

@@ -0,0 +1,2 @@
+## Relevant Articles
+- [Creating a Telegram Bot with Spring Boot](https://www.baeldung.com/spring-boot-telegram-bot)