Merge remote-tracking branch 'upstream/master'

apache-poi/README.md

@@ -14,4 +14,5 @@ This module contains articles about Apache POI.
 - [Set Background Color of a Cell with Apache POI](https://www.baeldung.com/apache-poi-background-color)
 - [Add Borders to Excel Cells With Apache POI](https://www.baeldung.com/apache-poi-add-borders)
 - [Reading Values From Excel in Java](https://www.baeldung.com/java-read-dates-excel)
+- [Change Cell Font Style with Apache POI](https://www.baeldung.com/apache-poi-change-cell-font)
 - More articles: [[next -->]](../apache-poi-2)

apache-poi/src/main/java/com/baeldung/poi/excel/cellstyle/CellStyler.java

@@ -0,0 +1,26 @@
+package com.baeldung.poi.excel.cellstyle;
+
+import org.apache.poi.hssf.util.HSSFColor.HSSFColorPredefined;
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.CellStyle;
+import org.apache.poi.ss.usermodel.Font;
+import org.apache.poi.ss.usermodel.HorizontalAlignment;
+import org.apache.poi.ss.usermodel.VerticalAlignment;
+import org.apache.poi.ss.usermodel.Workbook;
+
+public class CellStyler {
+    public CellStyle createWarningColor(Workbook workbook) {
+        CellStyle style = workbook.createCellStyle();
+
+        Font font = workbook.createFont();
+        font.setFontName("Courier New");
+        font.setBold(true);
+        font.setUnderline(Font.U_SINGLE);
+        font.setColor(HSSFColorPredefined.DARK_RED.getIndex());
+        style.setFont(font);
+
+        style.setAlignment(HorizontalAlignment.CENTER);
+        style.setVerticalAlignment(VerticalAlignment.CENTER);
+        return style;
+    }
+}

apache-poi/src/test/java/com/baeldung/poi/excel/cellstyle/CellStylerUnitTest.java

@@ -0,0 +1,52 @@
+package com.baeldung.poi.excel.cellstyle;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.nio.file.Paths;
+
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.CellStyle;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.junit.Before;
+import org.junit.Test;
+
+public class CellStylerUnitTest {
+    private static String FILE_NAME = "com/baeldung/poi/excel/cellstyle/CellStyle.xlsx";
+    private static final String NEW_FILE_NAME = "CellStyleTest_output.xlsx";
+    private String fileLocation;
+
+    @Before
+    public void setup() throws IOException, URISyntaxException {
+        fileLocation = Paths.get(ClassLoader.getSystemResource(FILE_NAME)
+            .toURI())
+            .toString();
+    }
+
+    @Test
+    public void testApplyWarningColor() throws IOException {
+        Workbook workbook = new XSSFWorkbook(fileLocation);
+        Sheet sheet = workbook.getSheetAt(0);
+        Row row1 = sheet.createRow(0);
+        row1.setHeightInPoints((short) 40);
+
+        CellStyler styler = new CellStyler();
+        CellStyle style = styler.createWarningColor(workbook);
+
+        Cell cell1 = row1.createCell(0);
+        cell1.setCellStyle(style);
+        cell1.setCellValue("Hello");
+
+        Cell cell2 = row1.createCell(1);
+        cell2.setCellStyle(style);
+        cell2.setCellValue("world!");
+
+        FileOutputStream outputStream = new FileOutputStream(NEW_FILE_NAME);
+        workbook.write(outputStream);
+        outputStream.close();
+        workbook.close();
+    }
+}

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

@@ -2,4 +2,5 @@
 
 - [Introduction to Lock Striping](https://www.baeldung.com/java-lock-stripping)
 - [Guide to the Java TransferQueue](http://www.baeldung.com/java-transfer-queue)
+- [Java Concurrent HashSet Equivalent to ConcurrentHashMap](https://www.baeldung.com/java-concurrent-hashset-concurrenthashmap)
 - [[<-- Prev]](/core-java-modules/core-java-concurrency-collections)

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

@@ -3,3 +3,4 @@
 
 - [Java Naming and Directory Interface Overview](https://www.baeldung.com/jndi)
 - [LDAP Authentication Using Pure Java](https://www.baeldung.com/java-ldap-auth)
+- [Testing LDAP Connections With Java](https://www.baeldung.com/java-test-ldap-connections)

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

@@ -10,3 +10,4 @@ This module contains article about constructors in Java
 - [Throwing Exceptions in Constructors](https://www.baeldung.com/java-constructors-exceptions)
 - [Constructors in Java Abstract Classes](https://www.baeldung.com/java-abstract-classes-constructors)
 - [Java Implicit Super Constructor is Undefined Error](https://www.baeldung.com/java-implicit-super-constructor-is-undefined-error)
+- [Constructor Specification in Java](https://www.baeldung.com/java-constructor-specification)

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

@@ -11,4 +11,5 @@ This module contains articles about core Java non-blocking input and output (IO)
 - [How to Lock a File in Java](https://www.baeldung.com/java-lock-files)
 - [Java NIO DatagramChannel](https://www.baeldung.com/java-nio-datagramchannel)
 - [Java – Path vs File](https://www.baeldung.com/java-path-vs-file)
+- [What Is the Difference Between NIO and NIO.2?](https://www.baeldung.com/java-nio-vs-nio-2)
 - [[<-- Prev]](/core-java-modules/core-java-nio)

core-java-modules/core-java-security-3/README.md

@@ -8,4 +8,6 @@ This module contains articles about core Java Security
 - [Enabling Unlimited Strength Cryptography in Java](https://www.baeldung.com/jce-enable-unlimited-strength)
 - [Initialization Vector for Encryption](https://www.baeldung.com/java-encryption-iv)
 - [HMAC in Java](https://www.baeldung.com/java-hmac)
+- [Generating a Secure AES Key in Java](https://www.baeldung.com/java-secure-aes-key)
+- [Computing an X509 Certificate’s Thumbprint in Java](https://www.baeldung.com/java-x509-certificate-thumbprint)
 - More articles: [[<-- prev]](/core-java-modules/core-java-security-2)

java-collections-maps-3/README.md

@@ -6,3 +6,4 @@
 - [Optimizing HashMap’s Performance](https://www.baeldung.com/java-hashmap-optimize-performance)
 - [Update the Value Associated With a Key in a HashMap](https://www.baeldung.com/java-hashmap-update-value-by-key)
 - [Java Map – keySet() vs. entrySet() vs. values() Methods](https://www.baeldung.com/java-map-entries-methods)
+- [Java IdentityHashMap Class and Its Use Cases](https://www.baeldung.com/java-identityhashmap)

javafx/README.md

@@ -3,6 +3,8 @@
 This module contains articles about JavaFX.
 
 ### Relevant Articles:
+
 - [Introduction to JavaFX](https://www.baeldung.com/javafx)
 - [Display Custom Items in JavaFX ListView](https://www.baeldung.com/javafx-listview-display-custom-items)
+- [Adding EventHandler to JavaFX Button](https://www.baeldung.com/javafx-button-eventhandler)
 

persistence-modules/spring-data-jpa-repo-2/README.md

@@ -1,7 +1,9 @@
 ## Spring Data JPA - Repositories
 
 ### Relevant Articles: 
+
 - [Introduction to Spring Data JPA](https://www.baeldung.com/the-persistence-layer-with-spring-data-jpa)
 - [Performance Difference Between save() and saveAll() in Spring Data](https://www.baeldung.com/spring-data-save-saveall)
 - [LIKE Queries in Spring JPA Repositories](https://www.baeldung.com/spring-jpa-like-queries)
+- [How to Access EntityManager with Spring Data](https://www.baeldung.com/spring-data-entitymanager)
 - More articles: [[<-- prev]](../spring-data-jpa-repo)

spring-cloud/spring-cloud-gateway/README.md

@@ -3,7 +3,9 @@
 This module contains articles about Spring Cloud Gateway
 
 ### Relevant Articles:
+
 - [Exploring the new Spring Cloud Gateway](http://www.baeldung.com/spring-cloud-gateway)
 - [Writing Custom Spring Cloud Gateway Filters](https://www.baeldung.com/spring-cloud-custom-gateway-filters)
 - [Spring Cloud Gateway Routing Predicate Factories](https://www.baeldung.com/spring-cloud-gateway-routing-predicate-factories)
 - [Spring Cloud Gateway WebFilter Factories](https://www.baeldung.com/spring-cloud-gateway-webfilter-factories)
+- [Using Spring Cloud Gateway with OAuth 2.0 Patterns](https://www.baeldung.com/spring-cloud-gateway-oauth2)

spring-cloud/spring-cloud-gateway/src/test/java/com/baeldung/springcloudgateway/customfilters/secondservice/SecondServiceIntegrationTest.java

@@ -2,12 +2,14 @@ package com.baeldung.springcloudgateway.customfilters.secondservice;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.security.reactive.ReactiveSecurityAutoConfiguration;
 import org.springframework.boot.test.autoconfigure.web.reactive.WebFluxTest;
 import org.springframework.test.web.reactive.server.WebTestClient;
 
 import com.baeldung.springcloudgateway.customfilters.secondservice.web.SecondServiceRestController;
 
-@WebFluxTest(SecondServiceRestController.class)
+@WebFluxTest(controllers = SecondServiceRestController.class,
+        excludeAutoConfiguration = ReactiveSecurityAutoConfiguration.class)
 public class SecondServiceIntegrationTest {
 
     @Autowired

spring-cloud/spring-cloud-gateway/src/test/java/com/baeldung/springcloudgateway/customfilters/service/ServiceIntegrationTest.java

@@ -2,13 +2,15 @@ package com.baeldung.springcloudgateway.customfilters.service;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.security.reactive.ReactiveSecurityAutoConfiguration;
 import org.springframework.boot.test.autoconfigure.web.reactive.WebFluxTest;
 import org.springframework.http.HttpHeaders;
 import org.springframework.test.web.reactive.server.WebTestClient;
 
 import com.baeldung.springcloudgateway.customfilters.service.web.ServiceRestController;
 
-@WebFluxTest(ServiceRestController.class)
+@WebFluxTest(controllers = ServiceRestController.class,
+        excludeAutoConfiguration = ReactiveSecurityAutoConfiguration.class)
 public class ServiceIntegrationTest {
 
     @Autowired