diff --git a/deeplearning4j/pom.xml b/deeplearning4j/pom.xml
index c63e67d573..01bac93214 100644
--- a/deeplearning4j/pom.xml
+++ b/deeplearning4j/pom.xml
@@ -57,11 +57,20 @@
             <artifactId>httpclient</artifactId>
             <version>${httpclient.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+            <scope>provided</scope>
+        </dependency>
+
     </dependencies>
 
     <properties>
         <dl4j.version>0.9.1</dl4j.version> <!-- Latest non beta version -->
         <httpclient.version>4.3.5</httpclient.version>
+        <lombok.version>1.18.20</lombok.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/geotools/pom.xml b/geotools/pom.xml
index 05cae922a4..6edb344c8c 100644
--- a/geotools/pom.xml
+++ b/geotools/pom.xml
@@ -39,12 +39,19 @@
             <artifactId>gt-swing</artifactId>
             <version>${geotools-swing.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.locationtech.jts</groupId>
+            <artifactId>jts-core</artifactId>
+            <version>1.19.0</version>
+        </dependency>
+
+
     </dependencies>
 
     <properties>
-        <geotools.version>15.2</geotools.version>
-        <geotools-swing.version>15.2</geotools-swing.version>
-        <geotools-shapefile.version>15.2</geotools-shapefile.version>
+        <geotools.version>28.1</geotools.version>
+        <geotools-swing.version>28.1</geotools-swing.version>
+        <geotools-shapefile.version>28.1</geotools-shapefile.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/geotools/src/main/java/com/baeldung/geotools/ShapeFile.java b/geotools/src/main/java/com/baeldung/geotools/ShapeFile.java
index de789918cd..64650fb486 100644
--- a/geotools/src/main/java/com/baeldung/geotools/ShapeFile.java
+++ b/geotools/src/main/java/com/baeldung/geotools/ShapeFile.java
@@ -1,8 +1,8 @@
 package com.baeldung.geotools;
 
-import com.vividsolutions.jts.geom.Coordinate;
-import com.vividsolutions.jts.geom.GeometryFactory;
-import com.vividsolutions.jts.geom.Point;
+import org.locationtech.jts.geom.Coordinate;
+import org.locationtech.jts.geom.GeometryFactory;
+import org.locationtech.jts.geom.Point;
 import org.geotools.data.DataUtilities;
 import org.geotools.data.DefaultTransaction;
 import org.geotools.data.Transaction;
@@ -35,7 +35,7 @@ public class ShapeFile {
 
         DefaultFeatureCollection collection = new DefaultFeatureCollection();
 
-        GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
+        GeometryFactory geometryFactory =  JTSFactoryFinder.getGeometryFactory(null);
 
         SimpleFeatureType TYPE = DataUtilities.createType("Location", "location:Point:srid=4326," + "name:String");
 
diff --git a/pom.xml b/pom.xml
index 15db6e4cd1..db857f8533 100644
--- a/pom.xml
+++ b/pom.xml
@@ -341,16 +341,9 @@
                 <module>core-java-modules</module>
                 <module>couchbase</module>
                 <module>custom-pmd</module>
-                <module>data-structures</module>
-                <module>deeplearning4j</module>
+
                 <module>drools</module>
-
-
                 <!-- <module>ethereum</module> --> <!-- JAVA-6001 -->
-
-
-                <module>geotools</module>
-
                 <!-- <module>gradle-modules</module> --> <!-- Not a maven project -->
                 <module>gradle-modules/gradle/maven-to-gradle</module>
                 <!-- <module>grails</module> --> <!-- Not a maven project -->
@@ -469,7 +462,6 @@
                 <module>server-modules</module>
                 <module>spf4j</module>
                 <module>spring-4</module>
-                <module>spring-reactive-modules</module>
                 <module>spring-aop</module>
                 <module>spring-aop-2</module>
                 <module>spring-batch</module>
@@ -617,16 +609,8 @@
                 <module>core-java-modules</module>
                 <module>couchbase</module>
                 <module>custom-pmd</module>
-                <module>data-structures</module>
-                <module>deeplearning4j</module>
                 <module>drools</module>
-
-
                 <!-- <module>ethereum</module> --> <!-- JAVA-6001 -->
-
-
-                <module>geotools</module>
-
                 <!-- <module>gradle-modules</module> --> <!-- Not a maven project -->
                 <module>gradle-modules/gradle/maven-to-gradle</module>
                 <!-- <module>grails</module> --> <!-- Not a maven project -->
@@ -737,7 +721,6 @@
                 <module>server-modules</module>
                 <module>spf4j</module>
                 <module>spring-4</module>
-                <module>spring-reactive-modules</module>
                 <module>spring-aop</module>
                 <module>spring-aop-2</module>
                 <module>spring-batch</module>
@@ -938,7 +921,9 @@
                 <module>core-java-modules/core-java-strings</module>
                 <module>core-java-modules/core-java-httpclient</module>
                 <module>spring-core-6</module>
+                <module>data-structures</module>
                 <module>ddd-contexts</module>
+                <module>deeplearning4j</module>
                 <module>docker-modules</module>
                 <module>apache-httpclient-2</module>
                 <module>kubernetes-modules/kubernetes-spring</module>
@@ -957,11 +942,13 @@
                 <module>spring-boot-modules/spring-boot-3-native</module>
                 <module>spring-boot-modules/spring-boot-3-observation</module>
                 <module>spring-boot-modules/spring-boot-3-test-pitfalls</module>
+                <module>spring-reactive-modules</module>
                 <module>spring-swagger-codegen/custom-validations-opeanpi-codegen</module>
                 <module>testing-modules/testing-assertions</module>
                 <module>persistence-modules/fauna</module>
                 <module>lightrun</module>
                 <module>tablesaw</module>
+                <module>geotools</module>
 
                 <!-- Modules from default-first -->
 
@@ -1144,7 +1131,9 @@
                 <module>core-java-modules/core-java-strings</module>
                 <module>core-java-modules/core-java-httpclient</module>
                 <module>spring-core-6</module>
+                <module>data-structures</module>
                 <module>ddd-contexts</module>
+                <module>deeplearning4j</module>
                 <module>docker-modules</module>
                 <module>apache-httpclient-2</module>
                 <module>kubernetes-modules/kubernetes-spring</module>
@@ -1163,11 +1152,13 @@
                 <module>spring-boot-modules/spring-boot-3-native</module>
                 <module>spring-boot-modules/spring-boot-3-observation</module>
                 <module>spring-boot-modules/spring-boot-3-test-pitfalls</module>
+                <module>spring-reactive-modules</module>
                 <module>spring-swagger-codegen/custom-validations-opeanpi-codegen</module>
                 <module>testing-modules/testing-assertions</module>
                 <module>persistence-modules/fauna</module>
                 <module>lightrun</module>
                 <module>tablesaw</module>
+                <module>geotools</module>
 
                 <!-- Modules from default-first -->
 
diff --git a/spring-web-modules/spring-resttemplate-3/README.md b/spring-web-modules/spring-resttemplate-3/README.md
index 52eba522a5..3add0073b2 100644
--- a/spring-web-modules/spring-resttemplate-3/README.md
+++ b/spring-web-modules/spring-resttemplate-3/README.md
@@ -11,3 +11,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [Download a Large File Through a Spring RestTemplate](https://www.baeldung.com/spring-resttemplate-download-large-file)
 - [Access HTTPS REST Service Using Spring RestTemplate](https://www.baeldung.com/spring-resttemplate-secure-https-service)
 - [Encoding of URI Variables on RestTemplate](https://www.baeldung.com/spring-resttemplate-uri-variables-encode)
+- [Difference Between exchange(), postForEntity() and execute() in RestTemplate](https://www.baeldung.com/difference-between-exchange-postForEntity-and-execute)
diff --git a/spring-web-modules/spring-resttemplate-3/pom.xml b/spring-web-modules/spring-resttemplate-3/pom.xml
index b036a5ffcb..5ce7d348a2 100644
--- a/spring-web-modules/spring-resttemplate-3/pom.xml
+++ b/spring-web-modules/spring-resttemplate-3/pom.xml
@@ -26,4 +26,4 @@
         </dependency>
     </dependencies>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/spring-web-modules/spring-resttemplate-3/src/main/java/com/baeldung/resttemplate/methods/RestTemplateMethodsApplication.java b/spring-web-modules/spring-resttemplate-3/src/main/java/com/baeldung/resttemplate/methods/RestTemplateMethodsApplication.java
new file mode 100644
index 0000000000..72201aa5c9
--- /dev/null
+++ b/spring-web-modules/spring-resttemplate-3/src/main/java/com/baeldung/resttemplate/methods/RestTemplateMethodsApplication.java
@@ -0,0 +1,102 @@
+package com.baeldung.resttemplate.methods;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.client.ClientHttpRequest;
+import org.springframework.http.client.ClientHttpResponse;
+import org.springframework.web.client.RequestCallback;
+import org.springframework.web.client.ResponseExtractor;
+import org.springframework.web.client.RestTemplate;
+
+import java.io.IOException;
+
+/**
+ * Examples of making the same call with RestTemplate
+ * using postForEntity(), exchange(), and execute().
+ */
+@SpringBootApplication
+public class RestTemplateMethodsApplication {
+    private final static RestTemplate restTemplate = new RestTemplate();
+
+    public static void main(String[] args) {
+
+    }
+
+    private static void postForEntity() {
+        Book book = new Book(
+            "Cruising Along with Java",
+            "Venkat Subramaniam",
+            2023);
+
+        ResponseEntity<Book> response = restTemplate.postForEntity(
+            "https://api.bookstore.com",
+            book,
+            Book.class);
+    }
+
+    private static void exchange() {
+        Book book = new Book(
+            "Effective Java",
+            "Joshua Bloch",
+            2001);
+
+        HttpHeaders headers = new HttpHeaders();
+        headers.setBasicAuth("username", "password");
+
+        ResponseEntity<Book> response = restTemplate.exchange(
+            "https://api.bookstore.com",
+            HttpMethod.POST,
+            new HttpEntity<>(book, headers),
+            Book.class);
+    }
+
+    private static void execute() {
+        ResponseEntity<Book> response = restTemplate.execute(
+            "https://api.bookstore.com",
+             HttpMethod.POST,
+             new RequestCallback() {
+                 @Override
+                 public void doWithRequest(ClientHttpRequest request) throws IOException {
+                        // Create or decorate the request object as needed
+                 }
+             },
+             new ResponseExtractor<ResponseEntity<Book>>() {
+                 @Override
+                 public ResponseEntity<Book> extractData(ClientHttpResponse response) throws IOException {
+                     // extract required data from response
+                     return null;
+                 }
+            }
+        );
+
+        // Could also use some factory methods in RestTemplate for
+        // the request callback and/or response extractor
+
+        Book book = new Book(
+            "Reactive Spring",
+            "Josh Long",
+            2020);
+
+        response = restTemplate.execute(
+            "https://api.bookstore.com",
+            HttpMethod.POST,
+            restTemplate.httpEntityCallback(book),
+            restTemplate.responseEntityExtractor(Book.class)
+        );
+    }
+
+    private static class Book {
+        String title;
+        String author;
+        int yearPublished;
+
+        public Book(String title, String author, int yearPublished) {
+            this.title = title;
+            this.author = author;
+            this.yearPublished = yearPublished;
+        }
+    }
+}
diff --git a/spring-web-modules/spring-resttemplate-3/src/test/java/com/baeldung/resttemplate/methods/RestTemplateMethodsUnitTest.java b/spring-web-modules/spring-resttemplate-3/src/test/java/com/baeldung/resttemplate/methods/RestTemplateMethodsUnitTest.java
new file mode 100644
index 0000000000..c7a2880f9d
--- /dev/null
+++ b/spring-web-modules/spring-resttemplate-3/src/test/java/com/baeldung/resttemplate/methods/RestTemplateMethodsUnitTest.java
@@ -0,0 +1,86 @@
+package com.baeldung.resttemplate.methods;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.http.*;
+import org.springframework.test.web.client.MockRestServiceServer;
+import org.springframework.test.web.client.response.MockRestResponseCreators;
+import org.springframework.web.client.RestTemplate;
+
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.method;
+import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
+
+/**
+ * Unit tests for different ways to send POST with RestTemplate.
+ */
+public class RestTemplateMethodsUnitTest
+{
+
+    private final RestTemplate restTemplate = new RestTemplate();
+
+    private final String URL = "https://localhost:8080";
+
+    private MockRestServiceServer mockServer;
+
+    @BeforeEach
+    public void setup() {
+        mockServer = MockRestServiceServer.createServer(restTemplate);
+    }
+
+    /**
+     * Test that postForEntity sends a POST to the desired URL.
+     */
+    @Test
+    public void testPostForEntity() {
+
+        mockServer.expect(requestTo(URL))
+                .andExpect(method(HttpMethod.POST))
+                .andRespond(MockRestResponseCreators.withStatus(HttpStatus.OK)
+                        .contentType(MediaType.TEXT_PLAIN)
+                        .body("Ok"));
+
+        restTemplate.postForEntity(
+                URL,
+                "Test Body",
+                String.class);
+
+        mockServer.verify();
+    }
+
+    /**
+     * Test that exchange with POST method sends a POST to the desired URL.
+     */
+    @Test
+    public void testPostExchange() {
+        mockServer.expect(requestTo(URL))
+                .andExpect(method(HttpMethod.POST))
+                .andRespond(MockRestResponseCreators.withStatus(HttpStatus.OK)
+                        .contentType(MediaType.TEXT_PLAIN)
+                        .body("Ok"));
+
+        restTemplate.exchange(
+                URL,
+                HttpMethod.POST,
+                new HttpEntity<>("Test Body"),
+                String.class);
+
+        mockServer.verify();
+    }
+
+    @Test
+    public void testPostExecute() {
+        mockServer.expect(requestTo(URL))
+                .andExpect(method(HttpMethod.POST))
+                .andRespond(MockRestResponseCreators.withStatus(HttpStatus.OK)
+                        .contentType(MediaType.TEXT_PLAIN)
+                        .body("Ok"));
+
+        restTemplate.execute(
+                URL,
+                HttpMethod.POST,
+                restTemplate.httpEntityCallback("Test body"),
+                restTemplate.responseEntityExtractor(String.class));
+
+        mockServer.verify();
+    }
+}