Merge remote-tracking branch 'upstream/master'

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "testgitrepo"]
-	path = testgitrepo
-	url = /home/prd/Development/projects/idea/tutorials/spring-boot/src/main/resources/testgitrepo/

.travis.yml

@@ -4,7 +4,7 @@ before_install:
   - echo "MAVEN_OPTS='-Xmx2048M -Xss128M -XX:+CMSClassUnloadingEnabled -XX:+UseG1GC -XX:-UseGCOverheadLimit'" > ~/.mavenrc
 
 install: skip
-script: travis_wait 60 mvn -q install
+script: travis_wait 60 mvn -q install -Pdefault
 
 sudo: required
 

JGit/pom.xml

@@ -1,5 +1,6 @@
 <?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung</groupId>
     <artifactId>JGitSnippets</artifactId>
@@ -45,7 +46,6 @@
     </dependencies>
 
     <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <org.eclipse.jgit.version>4.5.0.201609210915-r</org.eclipse.jgit.version>
     </properties>
 

Twitter4J/pom.xml

@@ -1,6 +1,7 @@
 <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 http://maven.apache.org/maven-v4_0_0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
+
     <groupId>com.mabsisa</groupId>
     <artifactId>Twitter4J</artifactId>
     <packaging>jar</packaging>
@@ -14,17 +15,11 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>1.8</java.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>org.twitter4j</groupId>
             <artifactId>twitter4j-stream</artifactId>
-            <version>4.0.6</version>
+            <version>${twitter4j-stream.version}</version>
         </dependency>
     </dependencies>
 
@@ -49,4 +44,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <twitter4j-stream.version>4.0.6</twitter4j-stream.version>
+    </properties>
+
 </project>

activejdbc/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung</groupId>
     <artifactId>activejdbc</artifactId>
@@ -15,12 +15,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.javalite</groupId>
             <artifactId>activejdbc</artifactId>
@@ -133,10 +127,8 @@
     </pluginRepositories>
 
     <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <activejdbc.version>1.4.13</activejdbc.version>
         <environments>development.test,development</environments>
-        <org.slf4j.version>1.7.9</org.slf4j.version>
         <mysql.connector.version>5.1.34</mysql.connector.version>
     </properties>
 

akka-streams/pom.xml

@@ -1,6 +1,6 @@
 <?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>akka-streams</artifactId>
     <name>akka-streams</name>

algorithms/README.md

@@ -5,7 +5,6 @@
 - [Ant Colony Optimization](http://www.baeldung.com/java-ant-colony-optimization)
 - [Validating Input With Finite Automata in Java](http://www.baeldung.com/java-finite-automata)
 - [Introduction to Jenetics Library](http://www.baeldung.com/jenetics)
-- [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)
@@ -21,4 +20,6 @@
 - [Create a Sudoku Solver in Java](http://www.baeldung.com/java-sudoku)
 - [Displaying Money Amounts in Words](http://www.baeldung.com/java-money-into-words)
 - [A Collaborative Filtering Recommendation System in Java](http://www.baeldung.com/java-collaborative-filtering-recommendations)
-- [Find All Pairs of Numbers in an Array That Add Up to a Given Sum](http://www.baeldung.com/java-algorithm-number-pairs-sum)
+- [Converting Between Roman and Arabic Numerals in Java](http://www.baeldung.com/java-convert-roman-arabic)
+- [Practical Java Examples of the Big O Notation](http://www.baeldung.com/java-algorithm-complexity)
+- [Find the Middle Element of a Linked List](http://www.baeldung.com/java-linked-list-middle-element)

algorithms/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung</groupId>
     <artifactId>algorithms</artifactId>
@@ -79,7 +79,6 @@
     </reporting>
 
     <properties>
-        <exec-maven-plugin.version>1.5.0</exec-maven-plugin.version>
         <lombok.version>1.16.12</lombok.version>
         <commons-math3.version>3.6.1</commons-math3.version>
         <tradukisto.version>1.0.1</tradukisto.version>

algorithms/src/main/java/com/baeldung/algorithms/RunAlgorithm.java

@@ -6,7 +6,6 @@ import com.baeldung.algorithms.ga.annealing.SimulatedAnnealing;
 import com.baeldung.algorithms.ga.ant_colony.AntColonyOptimization;
 import com.baeldung.algorithms.ga.binary.SimpleGeneticAlgorithm;
 import com.baeldung.algorithms.slope_one.SlopeOne;
-import com.baeldung.algorithms.pairsaddupnumber.FindPairs;
 
 public class RunAlgorithm {
 
@@ -39,12 +38,6 @@ public class RunAlgorithm {
 		case 5:
 			System.out.println("Please run the DijkstraAlgorithmTest.");
 			break;
-		case 6:
-			final FindPairs findPairs = new FindPairs();
-			final int[] input = {1, 4, 3, 2, 1, 4, 4, 3, 3};
-			final int sum = 6;
-			findPairs.execute(input, sum);
-			break;
 		default:
 			System.out.println("Unknown option");
 			break;

algorithms/src/main/java/com/baeldung/algorithms/mcts/montecarlo/MonteCarloTreeSearch.java

@@ -10,7 +10,7 @@ public class MonteCarloTreeSearch {
 
     private static final int WIN_SCORE = 10;
     private int level;
-    private int oponent;
+    private int opponent;
 
     public MonteCarloTreeSearch() {
         this.level = 3;
@@ -32,11 +32,11 @@ public class MonteCarloTreeSearch {
         long start = System.currentTimeMillis();
         long end = start + 60 * getMillisForCurrentLevel();
 
-        oponent = 3 - playerNo;
+        opponent = 3 - playerNo;
         Tree tree = new Tree();
         Node rootNode = tree.getRoot();
         rootNode.getState().setBoard(board);
-        rootNode.getState().setPlayerNo(oponent);
+        rootNode.getState().setPlayerNo(opponent);
 
         while (System.currentTimeMillis() < end) {
             // Phase 1 - Selection
@@ -93,7 +93,7 @@ public class MonteCarloTreeSearch {
         State tempState = tempNode.getState();
         int boardStatus = tempState.getBoard().checkStatus();
 
-        if (boardStatus == oponent) {
+        if (boardStatus == opponent) {
             tempNode.getParent().getState().setWinScore(Integer.MIN_VALUE);
             return boardStatus;
         }

algorithms/src/main/java/com/baeldung/algorithms/prime/PrimeGenerator.java

@@ -1,59 +0,0 @@
-package com.baeldung.algorithms.prime;
-
-import java.util.Arrays;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.stream.Collectors;
-import java.util.stream.IntStream;
-
-public class PrimeGenerator {
-    public static List<Integer> sieveOfEratosthenes(int n) {
-        final boolean prime[] = new boolean[n + 1];
-        Arrays.fill(prime, true);
-
-        for (int p = 2; p * p <= n; p++) {
-            if (prime[p]) {
-                for (int i = p * 2; i <= n; i += p)
-                    prime[i] = false;
-            }
-        }
-
-        final List<Integer> primes = new LinkedList<>();
-        for (int i = 2; i <= n; i++) {
-            if (prime[i])
-                primes.add(i);
-        }
-        return primes;
-    }
-
-    public static List<Integer> primeNumbersBruteForce(int max) {
-        final List<Integer> primeNumbers = new LinkedList<Integer>();
-        for (int i = 2; i <= max; i++) {
-            if (isPrimeBruteForce(i)) {
-                primeNumbers.add(i);
-            }
-        }
-        return primeNumbers;
-    }
-
-    private static boolean isPrimeBruteForce(int x) {
-        for (int i = 2; i < x; i++) {
-            if (x % i == 0) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    public static List<Integer> primeNumbersTill(int max) {
-        return IntStream.rangeClosed(2, max)
-            .filter(x -> isPrime(x))
-            .boxed()
-            .collect(Collectors.toList());
-    }
-
-    private static boolean isPrime(int x) {
-        return IntStream.rangeClosed(2, (int) (Math.sqrt(x)))
-            .allMatch(n -> x % n != 0);
-    }
-}

algorithms/src/test/java/com/baeldung/algorithms/prime/PrimeGeneratorUnitTest.java

@@ -1,28 +0,0 @@
-package com.baeldung.algorithms.prime;
-
-import static com.baeldung.algorithms.prime.PrimeGenerator.*;
-
-import java.util.Arrays;
-import java.util.List;
-import org.junit.Test;
-import static org.junit.Assert.*;
-
-public class PrimeGeneratorUnitTest {
-    @Test
-    public void whenBruteForced_returnsSuccessfully() {
-        final List<Integer> primeNumbers = primeNumbersBruteForce(20);
-        assertEquals(Arrays.asList(new Integer[] { 2, 3, 5, 7, 11, 13, 17, 19 }), primeNumbers);
-    }
-
-    @Test
-    public void whenOptimized_returnsSuccessfully() {
-        final List<Integer> primeNumbers = primeNumbersTill(20);
-        assertEquals(Arrays.asList(new Integer[] { 2, 3, 5, 7, 11, 13, 17, 19 }), primeNumbers);
-    }
-
-    @Test
-    public void whenSieveOfEratosthenes_returnsSuccessfully() {
-        final List<Integer> primeNumbers = sieveOfEratosthenes(20);
-        assertEquals(Arrays.asList(new Integer[] { 2, 3, 5, 7, 11, 13, 17, 19 }), primeNumbers);
-    }
-}

animal-sniffer-mvn-plugin/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/maven-v4_0_0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung</groupId>
     <artifactId>animal-sniffer-mvn-plugin</artifactId>
@@ -14,15 +14,6 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
-    <dependencies>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
     <build>
         <plugins>
             <plugin>

annotations/annotation-processing/pom.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>annotation-processing</artifactId>
 

annotations/annotation-user/pom.xml

@@ -1,6 +1,6 @@
 <?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>annotation-user</artifactId>
 

annotations/pom.xml

@@ -1,6 +1,6 @@
 <?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>annotations</artifactId>
     <packaging>pom</packaging>

antlr/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles: 
+
+- [Java with ANTLR](http://www.baeldung.com/java-antlr)

antlr/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/maven-v4_0_0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>antlr</artifactId>
     <name>antlr</name>
@@ -45,22 +45,14 @@
         </plugins>
     </build>
     <dependencies>
-		<dependency>
-			<groupId>org.antlr</groupId>
-			<artifactId>antlr4-runtime</artifactId>
-			<version>${antlr.version}</version>
-		</dependency>
         <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
+            <groupId>org.antlr</groupId>
+            <artifactId>antlr4-runtime</artifactId>
+            <version>${antlr.version}</version>
         </dependency>
     </dependencies>
     <properties>
-        <java.version>1.8</java.version>
         <antlr.version>4.7.1</antlr.version>
-        <junit.version>4.12</junit.version>
         <mojo.version>3.0.0</mojo.version>
     </properties>
 </project>

apache-bval/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>apache-bval</groupId>
     <artifactId>apache-bval</artifactId>

apache-cayenne/pom.xml

@@ -28,12 +28,6 @@
             <scope>runtime</scope>
         </dependency>
 
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -47,12 +41,8 @@
     </build>
 
     <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>1.8</java.version>
         <mysql.connector.version>5.1.44</mysql.connector.version>
         <cayenne.version>4.0.M5</cayenne.version>
-        <junit.version>4.12</junit.version>
     </properties>
 
 </project>

apache-curator/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-curator</artifactId>
     <version>0.0.1-SNAPSHOT</version>

apache-cxf/cxf-aegis/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/maven-v4_0_0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cxf-aegis</artifactId>
 
@@ -17,8 +17,4 @@
         </dependency>
     </dependencies>
 
-    <properties>
-        <cxf.version>3.1.8</cxf.version>
-    </properties>
-
 </project>

apache-cxf/cxf-introduction/pom.xml

@@ -1,7 +1,7 @@
 <?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 http://maven.apache.org/maven-v4_0_0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cxf-introduction</artifactId>
 
@@ -36,9 +36,4 @@
         </plugins>
     </build>
 
-    <properties>
-        <cxf.version>3.1.8</cxf.version>
-        <surefire.version>2.19.1</surefire.version>
-    </properties>
-
 </project>

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

@@ -1,7 +1,7 @@
 <?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 http://maven.apache.org/maven-v4_0_0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cxf-jaxrs-implementation</artifactId>
 
@@ -48,10 +48,7 @@
     </build>
 
     <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <cxf.version>3.1.8</cxf.version>
         <httpclient.version>4.5.2</httpclient.version>
-        <surefire.version>2.19.1</surefire.version>
     </properties>
 
 </project>

apache-cxf/cxf-spring/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/maven-v4_0_0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cxf-spring</artifactId>
     <packaging>war</packaging>
@@ -101,11 +101,7 @@
     </profiles>
 
     <properties>
-        <cxf.version>3.1.8</cxf.version>
         <spring.version>4.3.4.RELEASE</spring.version>
-        <javax.servlet-api.version>3.1.0</javax.servlet-api.version>
-        <maven-war-plugin.version>2.6</maven-war-plugin.version>
-        <surefire.version>2.19.1</surefire.version>
         <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
     </properties>
 

apache-cxf/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung</groupId>
     <artifactId>apache-cxf</artifactId>
@@ -33,7 +33,7 @@
     </build>
 
     <properties>
-        <exec-maven-plugin.version>1.5.0</exec-maven-plugin.version>
+        <cxf.version>3.1.8</cxf.version>
     </properties>
 
 </project>

apache-fop/pom.xml

@@ -1,5 +1,5 @@
 <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung</groupId>
     <artifactId>apache-fop</artifactId>

apache-meecrowave/pom.xml

@@ -0,0 +1,57 @@
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung</groupId>
+    <artifactId>apache-meecrowave</artifactId>
+    <version>0.0.1</version>
+    <name>apache-meecrowave</name>
+    <description>A sample REST API application with Meecrowave</description>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+    <dependencies>
+        <!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-core -->
+        <dependency>
+            <groupId>org.apache.meecrowave</groupId>
+            <artifactId>meecrowave-core</artifactId>
+            <version>1.2.1</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-jpa -->
+        <dependency>
+            <groupId>org.apache.meecrowave</groupId>
+            <artifactId>meecrowave-jpa</artifactId>
+            <version>1.2.1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>okhttp</artifactId>
+            <version>3.10.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.meecrowave</groupId>
+            <artifactId>meecrowave-junit</artifactId>
+            <version>1.2.0</version>
+            <scope>test</scope>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/junit/junit -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.10</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.meecrowave</groupId>
+                <artifactId>meecrowave-maven-plugin</artifactId>
+                <version>1.2.1</version>
+            </plugin>
+        </plugins>
+    </build>
+</project>

apache-meecrowave/src/main/java/com/baeldung/meecrowave/Article.java

@@ -0,0 +1,30 @@
+package com.baeldung.meecrowave;
+
+public class Article {
+    private String name;
+    private String author;
+
+    public Article() {
+    }
+
+    public Article(String name, String author) {
+        this.author = author;
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+}

apache-meecrowave/src/main/java/com/baeldung/meecrowave/ArticleEndpoints.java

@@ -0,0 +1,32 @@
+package com.baeldung.meecrowave;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+
+@RequestScoped
+@Path("article")
+public class ArticleEndpoints {
+
+    @Inject
+    ArticleService articleService;
+
+    @GET
+    public Response getArticle() {
+        return Response.ok()
+            .entity(new Article("name", "author"))
+            .build();
+
+    }
+
+    @POST
+    public Response createArticle(Article article) {
+        return Response.status(Status.CREATED)
+            .entity(articleService.createArticle(article))
+            .build();
+    }
+}