Merge branch 'master' of https://github.com/keerthigadde/tutorials into JAVA-12099/move-java-numbers

 Conflicts:

	core-java-modules/java-numbers-4/src/test/java/com/baeldung/bigdecimalzero/BigDecimalZeroChkUnitTest.java

core-java-modules/core-java-collections-list-4/README.md

@@ -5,4 +5,5 @@ This module contains articles about the Java List collection
 ### Relevant Articles: 
 - [Working With a List of Lists in Java](https://www.baeldung.com/java-list-of-lists)
 - [Reverse an ArrayList in Java](https://www.baeldung.com/java-reverse-arraylist)
+- [Sort a List Alphabetically in Java](https://www.baeldung.com/java-sort-list-alphabetically)
 - [[<-- Prev]](/core-java-modules/core-java-collections-list-3)

core-java-modules/java-numbers-4/src/test/java/com/baeldung/bigdecimalzero/BigDecimalZeroChkUnitTest.java

@@ -0,0 +1,34 @@
+package com.baeldung.bigdecimalzero;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.math.BigDecimal;
+
+import org.junit.jupiter.api.Test;
+
+class BigDecimalZeroChkUnitTest {
+    private static final BigDecimal BD1 = new BigDecimal("0");
+    private static final BigDecimal BD2 = new BigDecimal("0.0000");
+
+    @Test
+    void givenBD_whenCheckedWithEquals_shouldCheckedAsZero() {
+        assertThat(BigDecimal.ZERO.equals(BD1)).isTrue();
+
+        // in the article, we show the failure of the assertion below
+        // assertThat(BigDecimal.ZERO.equals(BD2)).isTrue();
+
+        assertThat(BigDecimal.ZERO.equals(BD2)).isFalse();
+    }
+
+    @Test
+    void givenBD_whenCheckedWithCompareTo_shouldCheckedAsZero() {
+        assertThat(BigDecimal.ZERO.compareTo(BD1)).isSameAs(0);
+        assertThat(BigDecimal.ZERO.compareTo(BD2)).isSameAs(0);
+    }
+
+    @Test
+    void givenBD_whenCheckedWithSignum_shouldCheckedAsZero() {
+        assertThat(BD1.signum()).isSameAs(0);
+        assertThat(BD2.signum()).isSameAs(0);
+    }
+}

docker-modules/docker-internal-dto/pom.xml

@@ -8,7 +8,7 @@
 
     <parent>
         <groupId>com.baeldung.docker</groupId>
-        <artifactId>docker</artifactId>
+        <artifactId>docker-modules</artifactId>
         <version>0.0.1</version>
     </parent>
 

docker-modules/docker-push-to-private-repo/pom.xml

@@ -10,7 +10,7 @@
 
     <parent>
         <groupId>com.baeldung.docker</groupId>
-        <artifactId>docker</artifactId>
+        <artifactId>docker-modules</artifactId>
         <version>0.0.1</version>
     </parent>
 

docker-modules/docker-sample-app/pom.xml

@@ -9,7 +9,7 @@
 
     <parent>
         <groupId>com.baeldung.docker</groupId>
-        <artifactId>docker</artifactId>
+        <artifactId>docker-modules</artifactId>
         <version>0.0.1</version>
     </parent>
 

docker-modules/docker-spring-boot/pom.xml

@@ -9,7 +9,7 @@
 
     <parent>
         <groupId>com.baeldung.docker</groupId>
-        <artifactId>docker</artifactId>
+        <artifactId>docker-modules</artifactId>
         <version>0.0.1</version>
     </parent>
 

docker-modules/pom.xml

@@ -4,9 +4,9 @@
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.docker</groupId>
-    <artifactId>docker</artifactId>
+    <artifactId>docker-modules</artifactId>
     <version>0.0.1</version>
-    <name>docker</name>
+    <name>docker-modules</name>
     <description>Demo project showing Spring Boot and Docker</description>
     <packaging>pom</packaging>
 

graphql-modules/graphql-dgs/pom.xml

@@ -9,7 +9,7 @@
 
     <parent>
         <groupId>com.baeldung.graphql</groupId>
-        <artifactId>graphql</artifactId>
+        <artifactId>graphql-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 

graphql-modules/graphql-error-handling/pom.xml

@@ -10,7 +10,7 @@
 
     <parent>
         <groupId>com.baeldung.graphql</groupId>
-        <artifactId>graphql</artifactId>
+        <artifactId>graphql-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
     </parent>