Restructuring to new module

Restructuring to new module

core-java-modules/core-java-collections-array-list-2/README.md

@@ -0,0 +1,6 @@
+## Core Java Collections ArrayList
+
+This module contains articles about the Java ArrayList collection
+
+### Relevant Articles: 
+- [Create an ArrayList with Multiple Object Types](https://drafts.baeldung.com/create-an-arraylist-with-multiple-object-types/)

core-java-modules/core-java-collections-array-list-2/pom.xml

@@ -0,0 +1,38 @@
+<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<artifactId>core-java-collections-array-list-2</artifactId>
+	<name>core-java-collections-array-list-2</name>
+	<packaging>jar</packaging>
+	<parent>
+		<groupId>com.baeldung.core-java-modules</groupId>
+		<artifactId>core-java-modules</artifactId>
+		<version>0.0.1-SNAPSHOT</version>
+	</parent>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<configuration>
+					<source>${maven-compiler-plugin.source}</source>
+					<target>${maven-compiler-plugin.target}</target>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-surefire-plugin</artifactId>
+				<version>${surefire.plugin.version}</version>
+				<configuration>
+					<argLine>
+                        --add-opens java.base/java.util=ALL-UNNAMED
+                    </argLine>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+	<properties>
+		<maven-compiler-plugin.source>16</maven-compiler-plugin.source>
+		<maven-compiler-plugin.target>16</maven-compiler-plugin.target>
+		<surefire.plugin.version>3.0.0-M3</surefire.plugin.version>
+	</properties>
+</project>

core-java-modules/core-java-collections-array-list-2/src/main/java/com/baeldung/list/multiple/objecttypes/MultipleObjectTypeArrayList.java

@@ -1,5 +1,7 @@
 package com.baeldung.list.multiple.objecttypes;
 
+import java.math.BigInteger;
+import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -7,27 +9,32 @@ import java.util.List;
 public class MultipleObjectTypeArrayList {
 
     public static void main(String[] args) {
-        
+
         ArrayList<Object> multiTypeList = new ArrayList<>();
-        
+
         multiTypeList.add(Integer.valueOf(10));
         multiTypeList.add(Double.valueOf(11.5));
         multiTypeList.add("String Data");
         multiTypeList.add(Arrays.asList(1, 2, 3));
         multiTypeList.add(new CustomObject("Class Data"));
+        multiTypeList.add(BigInteger.valueOf(123456789));
+        multiTypeList.add(LocalDate.of(2023, 9, 19));
 
         for (Object dataObj : multiTypeList) {
             if (dataObj instanceof Integer intData)
                 System.out.println("Integer Data : " + intData);
-            if (dataObj instanceof Double doubleData)
+            else if (dataObj instanceof Double doubleData)
                 System.out.println("Double Data : " + doubleData);
-            if (dataObj instanceof String stringData)
+            else if (dataObj instanceof String stringData)
                 System.out.println("String Data : " + stringData);
-            if (dataObj instanceof List<?> intList)
+            else if (dataObj instanceof List<?> intList)
                 System.out.println("List Data : " + intList);
-            if (dataObj instanceof CustomObject customObj)
+            else if (dataObj instanceof CustomObject customObj)
                 System.out.println("CustomObject Data : " + customObj.getClassData());
+            else if (dataObj instanceof BigInteger bigIntData)
+                System.out.println("BigInteger Data : " + bigIntData);
+            else if (dataObj instanceof LocalDate localDate)
+                System.out.println("LocalDate Data : " + localDate.toString());
         }
     }
-
 }

core-java-modules/pom.xml

@@ -177,6 +177,7 @@
         <module>core-java-collections-maps-6</module>
         <module>core-java-records</module>
         <module>core-java-9-jigsaw</module>
+        <module>core-java-collections-array-list-2</module>
     </modules>
 
     <dependencyManagement>