Merge remote-tracking branch 'upstream/master'

.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 -Pdefault-first,default-second
+script: travis_wait 60 mvn -q install -Pdefault-first,default-second -Dgib.enabled=true
 
 sudo: required
 

JGit/src/main/java/com/baeldung/jgit/porcelain/Log.java

@@ -28,14 +28,14 @@ public class Log {
                 System.out.println("Had " + count + " commits overall on current branch");
 
                 logs = git.log()
-                        .add(repository.resolve("remotes/origin/testbranch"))
+                        .add(repository.resolve(git.getRepository().getFullBranch()))
                         .call();
                 count = 0;
                 for (RevCommit rev : logs) {
                     System.out.println("Commit: " + rev /* + ", name: " + rev.getName() + ", id: " + rev.getId().getName() */);
                     count++;
                 }
-                System.out.println("Had " + count + " commits overall on test-branch");
+                System.out.println("Had " + count + " commits overall on "+git.getRepository().getFullBranch());
 
                 logs = git.log()
                         .all()

JGit/src/test/java/com/baeldung/jgit/JGitBugIntegrationTest.java

@@ -1,3 +1,5 @@
+package com.baeldung.jgit;
+
 import com.baeldung.jgit.helper.Helper;
 import org.eclipse.jgit.lib.ObjectLoader;
 import org.eclipse.jgit.lib.ObjectReader;

algorithms-genetic/pom.xml

@@ -1,10 +1,10 @@
 <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>algorithms-genetic</artifactId>
     <version>0.0.1-SNAPSHOT</version>
-
+    <name>algorithms-genetic</name>
+    
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
@@ -61,4 +61,5 @@
         <commons-codec.version>1.11</commons-codec.version>
     </properties>
 
-</project>
+    
+</project>

algorithms-miscellaneous-1/pom.xml

@@ -1,10 +1,10 @@
 <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>algorithms-miscellaneous-1</artifactId>
     <version>0.0.1-SNAPSHOT</version>
-
+    <name>algorithms-miscellaneous-1</name>
+    
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
@@ -17,6 +17,11 @@
             <artifactId>commons-math3</artifactId>
             <version>${commons-math3.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
         <dependency>
             <groupId>commons-codec</groupId>
             <artifactId>commons-codec</artifactId>
@@ -73,6 +78,7 @@
         <commons-math3.version>3.6.1</commons-math3.version>
         <org.assertj.core.version>3.9.0</org.assertj.core.version>
         <commons-codec.version>1.11</commons-codec.version>
+        <guava.version>25.1-jre</guava.version>
     </properties>
 
 </project>

algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/factorial/Factorial.java

@@ -0,0 +1,63 @@
+package com.baeldung.algorithms.factorial;
+
+import java.math.BigInteger;
+import java.util.stream.LongStream;
+
+import org.apache.commons.math3.util.CombinatoricsUtils;
+
+import com.google.common.math.BigIntegerMath;
+
+public class Factorial {
+
+    public long factorialUsingForLoop(int n) {
+        long fact = 1;
+        for (int i = 2; i <= n; i++) {
+            fact = fact * i;
+        }
+        return fact;
+    }
+
+    public long factorialUsingStreams(int n) {
+        return LongStream.rangeClosed(1, n)
+            .reduce(1, (long x, long y) -> x * y);
+    }
+
+    public long factorialUsingRecursion(int n) {
+        if (n <= 2) {
+            return n;
+        }
+        return n * factorialUsingRecursion(n - 1);
+    }
+
+    private Long[] factorials = new Long[20];
+
+    public long factorialUsingMemoize(int n) {
+
+        if (factorials[n] != null) {
+            return factorials[n];
+        }
+
+        if (n <= 2) {
+            return n;
+        }
+        long nthValue = n * factorialUsingMemoize(n - 1);
+        factorials[n] = nthValue;
+        return nthValue;
+    }
+
+    public BigInteger factorialHavingLargeResult(int n) {
+        BigInteger result = BigInteger.ONE;
+        for (int i = 2; i <= n; i++)
+            result = result.multiply(BigInteger.valueOf(i));
+        return result;
+    }
+
+    public long factorialUsingApacheCommons(int n) {
+        return CombinatoricsUtils.factorial(n);
+    }
+
+    public BigInteger factorialUsingGuava(int n) {
+        return BigIntegerMath.factorial(n);
+    }
+
+}

algorithms-miscellaneous-1/src/main/java/com/baeldung/algorithms/string/LongestSubstringNonRepeatingCharacters.java

@@ -0,0 +1,54 @@
+package com.baeldung.algorithms.string;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+public class LongestSubstringNonRepeatingCharacters {
+
+    public static String getUniqueCharacterSubstringBruteForce(String input) {
+        String output = "";
+        for (int start = 0; start < input.length(); start++) {
+            Set<Character> visited = new HashSet<>();
+            int end = start;
+            for (; end < input.length(); end++) {
+                char currChar = input.charAt(end);
+                if (visited.contains(currChar)) {
+                    break;
+                } else {
+                    visited.add(currChar);
+                }
+            }
+            if (output.length() < end - start + 1) {
+                output = input.substring(start, end);
+            }
+        }
+        return output;
+    }
+
+    public static String getUniqueCharacterSubstring(String input) {
+        Map<Character, Integer> visited = new HashMap<>();
+        String output = "";
+        for (int start = 0, end = 0; end < input.length(); end++) {
+            char currChar = input.charAt(end);
+            if (visited.containsKey(currChar)) {
+                start = Math.max(visited.get(currChar) + 1, start);
+            }
+            if (output.length() < end - start + 1) {
+                output = input.substring(start, end + 1);
+            }
+            visited.put(currChar, end);
+        }
+        return output;
+    }
+
+    public static void main(String[] args) {
+        if(args.length > 0) {
+            System.out.println(getUniqueCharacterSubstring(args[0]));
+        } else {
+            System.err.println("This program expects command-line input. Please try again!");
+        }
+    }
+
+}

algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/factorial/FactorialUnitTest.java

@@ -0,0 +1,72 @@
+package com.baeldung.algorithms.factorial;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.math.BigInteger;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class FactorialUnitTest {
+
+    Factorial factorial;
+
+    @Before
+    public void setup() {
+        factorial = new Factorial();
+    }
+
+    @Test
+    public void whenCalculatingFactorialUsingForLoop_thenCorrect() {
+        int n = 5;
+
+        assertThat(factorial.factorialUsingForLoop(n)).isEqualTo(120);
+    }
+
+    @Test
+    public void whenCalculatingFactorialUsingStreams_thenCorrect() {
+        int n = 5;
+
+        assertThat(factorial.factorialUsingStreams(n)).isEqualTo(120);
+    }
+
+    @Test
+    public void whenCalculatingFactorialUsingRecursion_thenCorrect() {
+        int n = 5;
+
+        assertThat(factorial.factorialUsingRecursion(n)).isEqualTo(120);
+    }
+
+    @Test
+    public void whenCalculatingFactorialUsingMemoize_thenCorrect() {
+        int n = 5;
+
+        assertThat(factorial.factorialUsingMemoize(n)).isEqualTo(120);
+
+        n = 6;
+
+        assertThat(factorial.factorialUsingMemoize(n)).isEqualTo(720);
+    }
+
+    @Test
+    public void whenCalculatingFactorialHavingLargeResult_thenCorrect() {
+        int n = 22;
+
+        assertThat(factorial.factorialHavingLargeResult(n)).isEqualTo(new BigInteger("1124000727777607680000"));
+    }
+
+    @Test
+    public void whenCalculatingFactorialUsingApacheCommons_thenCorrect() {
+        int n = 5;
+
+        assertThat(factorial.factorialUsingApacheCommons(n)).isEqualTo(120);
+    }
+
+    @Test
+    public void whenCalculatingFactorialUsingGuava_thenCorrect() {
+        int n = 22;
+
+        assertThat(factorial.factorialUsingGuava(n)).isEqualTo(new BigInteger("1124000727777607680000"));
+    }
+
+}

algorithms-miscellaneous-1/src/test/java/com/baeldung/algorithms/string/LongestSubstringNonRepeatingCharactersUnitTest.java

@@ -0,0 +1,31 @@
+package com.baeldung.algorithms.string;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static com.baeldung.algorithms.string.LongestSubstringNonRepeatingCharacters.getUniqueCharacterSubstring;
+import static com.baeldung.algorithms.string.LongestSubstringNonRepeatingCharacters.getUniqueCharacterSubstringBruteForce;
+
+public class LongestSubstringNonRepeatingCharactersUnitTest {
+
+    @Test
+    void givenString_whenGetUniqueCharacterSubstringBruteForceCalled_thenResultFoundAsExpectedUnitTest() {
+        assertEquals("", getUniqueCharacterSubstringBruteForce(""));
+        assertEquals("A", getUniqueCharacterSubstringBruteForce("A"));
+        assertEquals("ABCDEF", getUniqueCharacterSubstringBruteForce("AABCDEF"));
+        assertEquals("ABCDEF", getUniqueCharacterSubstringBruteForce("ABCDEFF"));
+        assertEquals("NGISAWE", getUniqueCharacterSubstringBruteForce("CODINGISAWESOME"));
+        assertEquals("be coding", getUniqueCharacterSubstringBruteForce("always be coding"));
+    }
+
+    @Test
+    void givenString_whenGetUniqueCharacterSubstringCalled_thenResultFoundAsExpectedUnitTest() {
+        assertEquals("", getUniqueCharacterSubstring(""));
+        assertEquals("A", getUniqueCharacterSubstring("A"));
+        assertEquals("ABCDEF", getUniqueCharacterSubstring("AABCDEF"));
+        assertEquals("ABCDEF", getUniqueCharacterSubstring("ABCDEFF"));
+        assertEquals("NGISAWE", getUniqueCharacterSubstring("CODINGISAWESOME"));
+        assertEquals("be coding", getUniqueCharacterSubstring("always be coding"));
+    }
+
+}

algorithms-miscellaneous-2/README.md

@@ -17,3 +17,4 @@
 - [Round Up to the Nearest Hundred](https://www.baeldung.com/java-round-up-nearest-hundred)
 - [Calculate Percentage in Java](https://www.baeldung.com/java-calculate-percentage)
 - [Converting Between Byte Arrays and Hexadecimal Strings in Java](https://www.baeldung.com/java-byte-arrays-hex-strings)
+- [Convert Latitude and Longitude to a 2D Point in Java](https://www.baeldung.com/java-convert-latitude-longitude)

algorithms-miscellaneous-2/pom.xml

@@ -1,9 +1,9 @@
 <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>algorithms-miscellaneous-2</artifactId>
     <version>0.0.1-SNAPSHOT</version>
+    <name>algorithms-miscellaneous-2</name>
 
     <parent>
         <groupId>com.baeldung</groupId>
@@ -33,6 +33,11 @@
             <artifactId>jgrapht-core</artifactId>
             <version>${org.jgrapht.core.version}</version>
         </dependency>
+        <dependency>
+        	<groupId>org.jgrapht</groupId>
+        	<artifactId>jgrapht-ext</artifactId>
+        	<version>${org.jgrapht.ext.version}</version>
+        </dependency>
         <dependency>
             <groupId>pl.allegro.finance</groupId>
             <artifactId>tradukisto</artifactId>
@@ -83,6 +88,7 @@
         <commons-math3.version>3.6.1</commons-math3.version>
         <tradukisto.version>1.0.1</tradukisto.version>
         <org.jgrapht.core.version>1.0.1</org.jgrapht.core.version>
+        <org.jgrapht.ext.version>1.0.1</org.jgrapht.ext.version>
         <org.assertj.core.version>3.9.0</org.assertj.core.version>
         <commons-codec.version>1.11</commons-codec.version>
     </properties>

algorithms-miscellaneous-2/src/test/java/com/baeldung/jgrapht/GraphImageGenerationUnitTest.java

@@ -0,0 +1,47 @@
+package com.baeldung.jgrapht;
+
+import static org.junit.Assert.assertTrue;
+import java.awt.Color;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+import org.jgrapht.ext.JGraphXAdapter;
+import org.jgrapht.graph.DefaultDirectedGraph;
+import org.jgrapht.graph.DefaultEdge;
+import org.junit.Before;
+import org.junit.Test;
+import com.mxgraph.layout.mxCircleLayout;
+import com.mxgraph.layout.mxIGraphLayout;
+import com.mxgraph.util.mxCellRenderer;
+
+public class GraphImageGenerationUnitTest {
+    static DefaultDirectedGraph<String, DefaultEdge> g;
+
+    @Before
+    public void createGraph() throws IOException {
+        File imgFile = new File("src/test/resources/graph.png");
+        imgFile.createNewFile();
+        g = new DefaultDirectedGraph<String, DefaultEdge>(DefaultEdge.class);
+        String x1 = "x1";
+        String x2 = "x2";
+        String x3 = "x3";
+        g.addVertex(x1);
+        g.addVertex(x2);
+        g.addVertex(x3);
+        g.addEdge(x1, x2);
+        g.addEdge(x2, x3);
+        g.addEdge(x3, x1);
+    }
+
+    @Test
+    public void givenAdaptedGraph_whenWriteBufferedImage_ThenFileShouldExist() throws IOException {
+        JGraphXAdapter<String, DefaultEdge> graphAdapter = new JGraphXAdapter<String, DefaultEdge>(g);
+        mxIGraphLayout layout = new mxCircleLayout(graphAdapter);
+        layout.execute(graphAdapter.getDefaultParent());
+        File imgFile = new File("src/test/resources/graph.png");
+        BufferedImage image = mxCellRenderer.createBufferedImage(graphAdapter, null, 2, Color.WHITE, true, null);
+        ImageIO.write(image, "PNG", imgFile);
+        assertTrue(imgFile.exists());
+    }
+}

algorithms-sorting/pom.xml

@@ -1,9 +1,9 @@
 <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>algorithms-sorting</artifactId>
     <version>0.0.1-SNAPSHOT</version>
+    <name>algorithms-sorting</name>
 
     <parent>
         <groupId>com.baeldung</groupId>

annotations/annotation-processing/pom.xml

@@ -3,7 +3,8 @@
     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>
-
+    <name>annotation-processing</name>
+    
     <parent>
         <groupId>com.baeldung</groupId>
         <version>1.0.0-SNAPSHOT</version>

annotations/annotation-user/pom.xml

@@ -3,6 +3,7 @@
     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>
+    <name>annotation-user</name>
 
     <parent>
         <artifactId>annotations</artifactId>

annotations/pom.xml

@@ -4,7 +4,8 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>annotations</artifactId>
     <packaging>pom</packaging>
-
+    <name>annotations</name>
+    
     <parent>
         <artifactId>parent-modules</artifactId>
         <groupId>com.baeldung</groupId>

apache-avro/pom.xml

@@ -3,10 +3,9 @@
          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-avro</artifactId>
     <version>0.0.1-SNAPSHOT</version>
-	<name>Apache Avro</name>
+	<name>apache-avro</name>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

apache-bval/pom.xml

@@ -4,7 +4,8 @@
     <groupId>apache-bval</groupId>
     <artifactId>apache-bval</artifactId>
     <version>0.0.1-SNAPSHOT</version>
-
+    <name>apache-bval</name>
+    
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>

apache-curator/pom.xml

@@ -4,6 +4,7 @@
     <artifactId>apache-curator</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <packaging>jar</packaging>
+	<name>apache-curator</name>
 
     <parent>
         <groupId>com.baeldung</groupId>

apache-cxf/cxf-aegis/pom.xml

@@ -2,7 +2,8 @@
     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>
-
+	<name>cxf-aegis</name>
+	
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>apache-cxf</artifactId>

apache-cxf/cxf-introduction/pom.xml

@@ -4,7 +4,8 @@
     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>
-
+	<name>cxf-introduction</name>
+	
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>apache-cxf</artifactId>

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

@@ -4,7 +4,8 @@
     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>
-
+	<name>cxf-jaxrs-implementation</name>
+	
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>apache-cxf</artifactId>

apache-cxf/cxf-spring/pom.xml

@@ -3,6 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cxf-spring</artifactId>
     <packaging>war</packaging>
+	<name>cxf-spring</name>
 
     <parent>
         <groupId>com.baeldung</groupId>

apache-cxf/pom.xml

@@ -1,9 +1,9 @@
 <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-cxf</artifactId>
     <version>0.0.1-SNAPSHOT</version>
+    <name>apache-cxf</name>
     <packaging>pom</packaging>
 
     <parent>

apache-cxf/sse-jaxrs/pom.xml

@@ -3,8 +3,8 @@
          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>
-
     <artifactId>sse-jaxrs</artifactId>
+    <name>sse-jaxrs</name>
     <packaging>pom</packaging>
 
     <parent>

apache-cxf/sse-jaxrs/sse-jaxrs-client/pom.xml

@@ -3,15 +3,15 @@
          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>
-
+    <artifactId>sse-jaxrs-client</artifactId>
+    <name>sse-jaxrs-client</name>
+    
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>sse-jaxrs</artifactId>
         <version>0.0.1-SNAPSHOT</version>
     </parent>
 
-    <artifactId>sse-jaxrs-client</artifactId>
-
     <properties>
         <cxf-version>3.2.0</cxf-version>
     </properties>
@@ -21,7 +21,6 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>1.6.0</version>
                 <executions>
                     <execution>
                         <id>singleEvent</id>

apache-cxf/sse-jaxrs/sse-jaxrs-server/pom.xml

@@ -3,16 +3,16 @@
          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>
-
+    <artifactId>sse-jaxrs-server</artifactId>
+    <name>sse-jaxrs-server</name>
+    <packaging>war</packaging>
+    
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>sse-jaxrs</artifactId>
         <version>0.0.1-SNAPSHOT</version>
     </parent>
 
-    <artifactId>sse-jaxrs-server</artifactId>
-    <packaging>war</packaging>
-
     <properties>
         <liberty-maven-plugin.version>2.4.2</liberty-maven-plugin.version>
         <failOnMissingWebXml>false</failOnMissingWebXml>

apache-geode/pom.xml

@@ -3,11 +3,10 @@
          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-geode</artifactId>
     <version>1.0-SNAPSHOT</version>
-
+    <name>apache-geode</name>
+    
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>

apache-opennlp/pom.xml

@@ -4,6 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>apache-opennlp</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <name>apache-opennlp</name>
     <packaging>jar</packaging>
 
     <parent>