Merge branch 'master' of https://github.com/eugenp/tutorials

algorithms/README.md

@@ -8,3 +8,4 @@
 - [Check If a Number Is Prime in Java](http://www.baeldung.com/java-prime-numbers)
 - [Example of Hill Climbing Algorithm](http://www.baeldung.com/java-hill-climbing-algorithm)
 - [Monte Carlo Tree Search for Tic-Tac-Toe Game](http://www.baeldung.com/java-monte-carlo-tree-search)
+- [String Search Algorithms for Large Texts](http://www.baeldung.com/java-full-text-search-algorithms)

apache-shiro/README.md

@@ -0,0 +1,2 @@
+### Relevant articles
+- [Introduction to Apache Shiro](http://www.baeldung.com/apache-shiro)

bootique/README.md

@@ -0,0 +1,2 @@
+### Relevant Articles:
+- [Introduction to Bootique](http://www.baeldung.com/bootique)

core-java-9/README.md

@@ -16,3 +16,4 @@
 - [Java 9 Optional API Additions](http://www.baeldung.com/java-9-optional)
 - [Java 9 Reactive Streams](http://www.baeldung.com/java-9-reactive-streams)
 - [How to Get All Dates Between Two Dates?](http://www.baeldung.com/java-between-dates)
+- [Java 9 java.util.Objects Additions](http://www.baeldung.com/java-9-objects-new)

core-java/README.md

@@ -99,4 +99,10 @@
 - [ClassNotFoundException vs NoClassDefFoundError](http://www.baeldung.com/java-classnotfoundexception-and-noclassdeffounderror)
 - [Guide to UUID in Java](http://www.baeldung.com/java-uuid)
 - [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char)
+- [Guide to hashCode() in Java](http://www.baeldung.com/java-hashcode)
+- [Collect a Java Stream to an Immutable Collection](http://www.baeldung.com/java-stream-immutable-collection)
+- [Difference between URL and URI](http://www.baeldung.com/java-url-vs-uri)
+- [Broadcasting and Multicasting in Java](http://www.baeldung.com/java-broadcast-multicast)
+- [Converting a List to String in Java](http://www.baeldung.com/java-list-to-string)
+- [CharSequence vs. String in Java](http://www.baeldung.com/java-char-sequence-string)
 - [Period and Duration in Java](http://www.baeldung.com/java-period-duration)

grpc/README.md

@@ -0,0 +1,2 @@
+### Relevant Articles:
+- [Introduction to gRPC](http://www.baeldung.com/grpc-introduction)

jee7/README.md

@@ -5,3 +5,4 @@
 - [Introduction to JAX-WS](http://www.baeldung.com/jax-ws)
 - [A Guide to Java EE Web-Related Annotations](http://www.baeldung.com/javaee-web-annotations)
 - [Introduction to Testing with Arquillian](http://www.baeldung.com/arquillian)
+- [Securing Java EE with Spring Security](http://www.baeldung.com/java-ee-spring-security)

junit5/README.md

@@ -5,3 +5,5 @@
 - [A Guide to @RepeatedTest in Junit 5](http://www.baeldung.com/junit-5-repeated-test)
 - [Guide to Dynamic Tests in Junit 5](http://www.baeldung.com/junit5-dynamic-tests)
 - [A Guied to JUnit 5 Extensions](http://www.baeldung.com/junit-5-extensions)
+- [Inject Parameters into JUnit Jupiter Unit Tests](http://www.baeldung.com/junit-5-parameters)
+

kotlin/README.md

@@ -13,4 +13,7 @@
 - [Overview of Kotlin Collections API](http://www.baeldung.com/kotlin-collections-api)
 - [Converting a List to Map in Kotlin](http://www.baeldung.com/kotlin-list-to-map)
 - [Data Classes in Kotlin](http://www.baeldung.com/kotlin-data-classes)
+- [Delegated Properties in Kotlin](http://www.baeldung.com/kotlin-delegated-properties)
+- [Sealed Classes in Kotlin](http://www.baeldung.com/kotlin-sealed-classes)
+
 

libraries-data/README.md

@@ -0,0 +1,2 @@
+### Relevant articles
+- [Introduction to Reladomo](http://www.baeldung.com/reladomo)

libraries/README.md

@@ -30,6 +30,14 @@
 - [Introduction to Neuroph](http://www.baeldung.com/neuroph)
 - [Guide to Apache Commons CircularFifoQueue](http://www.baeldung.com/commons-circular-fifo-queue)
 - [Quick Guide to RSS with Rome](http://www.baeldung.com/rome-rss)
+- [Introduction to NoException](http://www.baeldung.com/intrduction-to-noexception)
+- [Introduction to PCollections](http://www.baeldung.com/java-pcollections)
+- [Introduction to Hoverfly in Java](http://www.baeldung.com/hoverfly)
+- [Apache Commons Chain](http://www.baeldung.com/apache-commons-chain)
+- [Introduction to Eclipse Collections](http://www.baeldung.com/eclipse-collections)
+- [DistinctBy in Java Stream API](http://www.baeldung.com/java-streams-distinct-by)
+- [Introduction to Apache Commons CSV](http://www.baeldung.com/apache-commons-csv)
+- [Difference Between Two Dates in Java](http://www.baeldung.com/java-date-difference)
 - [Introduction to NoException](http://www.baeldung.com/no-exception)
 - [Introduction to FunctionalJava](http://www.baeldung.com/functional-java)
 - [Apache Commons IO](http://www.baeldung.com/apache-commons-io)

libraries/src/main/java/com/baeldung/commons/lang3/SampleLazyInitializer.java

@@ -0,0 +1,11 @@
+package com.baeldung.commons.lang3;
+
+import org.apache.commons.lang3.concurrent.LazyInitializer;
+
+public class SampleLazyInitializer extends LazyInitializer<SampleObject> {
+    
+    @Override
+    protected SampleObject initialize() {
+        return new SampleObject();
+    }
+}

libraries/src/main/java/com/baeldung/commons/lang3/SampleObject.java

@@ -0,0 +1,7 @@
+package com.baeldung.commons.lang3;
+
+public class SampleObject {
+    
+    //Ignored
+
+}

libraries/src/test/java/com/baeldung/commons/lang3/Lang3UtilsTest.java

@@ -1,6 +1,7 @@
 package com.baeldung.commons.lang3;
 
 import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertSame;
@@ -12,12 +13,14 @@ import java.beans.PropertyChangeListener;
 import java.io.File;
 import java.lang.reflect.Field;
 import java.util.Locale;
+import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 
 import org.apache.commons.lang3.ArchUtils;
 import org.apache.commons.lang3.BooleanUtils;
 import org.apache.commons.lang3.SystemUtils;
 import org.apache.commons.lang3.arch.Processor;
+import org.apache.commons.lang3.concurrent.ConcurrentException;
 import org.apache.commons.lang3.concurrent.ConcurrentRuntimeException;
 import org.apache.commons.lang3.concurrent.ConcurrentUtils;
 import org.apache.commons.lang3.event.EventUtils;
@@ -97,22 +100,37 @@ public class Lang3UtilsTest {
     public void testAddEventListenerThrowsException() {
         final ExceptionEventSource src = new ExceptionEventSource();
         try {
-            EventUtils.addEventListener(src, PropertyChangeListener.class, new PropertyChangeListener() {
+            EventUtils.addEventListener(src, PropertyChangeListener.class, (PropertyChangeEvent e) -> {
-                @Override
+                /* Change event*/});
-                public void propertyChange(final PropertyChangeEvent e) {
-                    // Do nothing!
-                }
-            });
             fail("Add method should have thrown an exception, so method should fail.");
         } catch (final RuntimeException e) {
 
         }
     }
 
+    @Test
+    public void ConcurrentExceptionSample() throws ConcurrentException {
+        final Error err = new AssertionError("Test");
+        try {
+            ConcurrentUtils.handleCause(new ExecutionException(err));
+            fail("Error not thrown!");
+        } catch (final Error e) {
+            assertEquals("Wrong error", err, e);
+        }
+    }
+
     public static class ExceptionEventSource {
         public void addPropertyChangeListener(final PropertyChangeListener listener) {
             throw new RuntimeException();
         }
     }
 
+    @Test
+    public void testLazyInitializer() throws Exception {
+        SampleLazyInitializer sampleLazyInitializer = new SampleLazyInitializer();
+        SampleObject sampleObjectOne = sampleLazyInitializer.get();
+        SampleObject sampleObjectTwo = sampleLazyInitializer.get();
+        assertEquals(sampleObjectOne, sampleObjectTwo);
+    }
+
 }

log4j2/README.md

@@ -1,3 +1,4 @@
 ### Relevant articles
 
 - [Intro to Log4j2 – Appenders, Layouts and Filters](http://www.baeldung.com/log4j2-appenders-layouts-filters)
+- [Log4j 2 and Lambda Expressions](http://www.baeldung.com/log4j-2-lazy-logging)

ratpack/README.md

@@ -3,3 +3,5 @@
 - [Introduction to Ratpack](http://www.baeldung.com/ratpack)
 - [Ratpack Google Guice Integration](http://www.baeldung.com/ratpack-google-guice)
 - [Ratpack Integration with Spring Boot](http://www.baeldung.com/ratpack-spring-boot)
+- [Ratpack with Hystrix](http://www.baeldung.com/ratpack-hystrix)
+

rxjava/README.md

@@ -2,3 +2,4 @@
 
 - [Dealing with Backpressure with RxJava](http://www.baeldung.com/rxjava-backpressure)
 - [How to Test RxJava?](http://www.baeldung.com/rxjava-testing)
+- [Implementing Custom Operators in RxJava](http://www.baeldung.com/rxjava-custom-operators)

spring-5/README.md

@@ -9,3 +9,5 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [Introduction to the Functional Web Framework in Spring 5](http://www.baeldung.com/spring-5-functional-web)
 - [Exploring the Spring 5 MVC URL Matching Improvements](http://www.baeldung.com/spring-5-mvc-url-matching)
 - [Spring 5 WebClient](http://www.baeldung.com/spring-5-webclient)
+- [Spring 5 Functional Bean Registration](http://www.baeldung.com/spring-5-functional-beans)
+

spring-activiti/README.md

@@ -1,3 +1,5 @@
 ### Relevant articles
 
 - [A Guide to Activiti with Java](http://www.baeldung.com/java-activiti)
+- [Introduction to Activiti with Spring](http://www.baeldung.com/spring-activiti)
+

spring-batch/README.md

@@ -5,3 +5,4 @@
 
 ### Relevant Articles: 
 - [Introduction to Spring Batch](http://www.baeldung.com/introduction-to-spring-batch)
+- [Spring Batch using Partitioner](https://github.com/eugenp/tutorials/tree/master/spring-batch)

spring-boot-bootstrap/README.md

@@ -1,2 +1,3 @@
 ### Relevant Articles:
 - [Bootstrap a Simple Application using Spring Boot](http://www.baeldung.com/spring-boot-start)
+- [Spring Boot Dependency Management with a Custom Parent](http://www.baeldung.com/spring-boot-dependency-management-custom-parent)

spring-boot/README.MD

@@ -26,4 +26,5 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [How to Get All Spring-Managed Beans?](http://www.baeldung.com/spring-show-all-beans)
 - [A Java Client for a WebSockets API](http://www.baeldung.com/websockets-api-java-spring-client)
 - [Spring Boot and Togglz Aspect](http://www.baeldung.com/spring-togglz)
+- [Getting Started with GraphQL and Spring Boot](http://www.baeldung.com/spring-graphql)
 

spring-ldap/README.md

@@ -4,6 +4,7 @@
 
 - [Spring LDAP Overview](http://www.baeldung.com/spring-ldap)
 - [Spring LDAP Example Project](http://www.baeldung.com/spring-ldap-overview/)
+- [Guide to Spring Data LDAP](http://www.baeldung.com/spring-data-ldap)
 
 
 

spring-mvc-simple/README.md

@@ -1,3 +1,4 @@
 ## Relevant articles:
 
 - [HandlerAdapters in Spring MVC](http://www.baeldung.com/spring-mvc-handler-adapters)
+- [Template Engines for Spring](http://www.baeldung.com/spring-template-engines)

spring-rest/README.md

@@ -16,4 +16,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [HTTP PUT vs HTTP PATCH in a REST API](http://www.baeldung.com/http-put-patch-difference-spring)
 - [Exploring the Spring Boot TestRestTemplate](http://www.baeldung.com/spring-boot-testresttemplate)
 - [Spring – Log Incoming Requests](http://www.baeldung.com/spring-http-logging)
-- [RequestBody and ResponseBody Annotations](http://www.baeldung.com/requestbody-and-responsebody-annotations)
+- [RequestBody and ResponseBody Annotations](http://www.baeldung.com/requestbody-and-responsebody-annotations)

testing/README.md

@@ -13,3 +13,5 @@
 - [Testing with JGoTesting](http://www.baeldung.com/jgotesting)
 - [Introduction to JUnitParams](http://www.baeldung.com/junit-params)
 - [Cucumber Java 8 Support](http://www.baeldung.com/cucumber-java-8-support)
+- [Introduction to Lambda Behave](http://www.baeldung.com/lambda-behave)
+

undertow/README.md

@@ -0,0 +1,2 @@
+### Relevant Articles:
+- [Introduction to JBoss Undertow](http://www.baeldung.com/jboss-undertow)