diff --git a/core-java-lang/src/main/java/com/baeldung/packages/TodoApp.java b/core-java-lang/src/main/java/com/baeldung/packages/TodoApp.java
new file mode 100644
index 0000000000..0f4a56f708
--- /dev/null
+++ b/core-java-lang/src/main/java/com/baeldung/packages/TodoApp.java
@@ -0,0 +1,22 @@
+package com.baeldung.packages;
+
+import java.time.LocalDate;
+
+import com.baeldung.packages.domain.TodoItem;
+
+public class TodoApp {
+
+    public static void main(String[] args) {
+        TodoList todoList = new TodoList();
+        for (int i = 0; i < 3; i++) {
+            TodoItem item = new TodoItem();
+            item.setId(Long.valueOf((long)i));
+            item.setDescription("Todo item " + (i + 1));
+            item.setDueDate(LocalDate.now().plusDays((long)(i + 1)));
+            todoList.addTodoItem(item);
+        }
+
+        todoList.getTodoItems().forEach((TodoItem todoItem) -> System.out.println(todoItem.toString()));
+    }
+
+}
diff --git a/core-java-lang/src/main/java/com/baeldung/packages/TodoList.java b/core-java-lang/src/main/java/com/baeldung/packages/TodoList.java
new file mode 100644
index 0000000000..6ed6cd4ec1
--- /dev/null
+++ b/core-java-lang/src/main/java/com/baeldung/packages/TodoList.java
@@ -0,0 +1,27 @@
+package com.baeldung.packages;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.baeldung.packages.domain.TodoItem;
+
+public class TodoList {
+    private List<TodoItem> todoItems;
+
+    public void addTodoItem(TodoItem todoItem) {
+        if (todoItems == null) {
+            todoItems = new ArrayList<TodoItem>();
+        }
+
+        todoItems.add(todoItem);
+    }
+
+    public List<TodoItem> getTodoItems() {
+        return todoItems;
+    }
+
+    public void setTodoItems(List<TodoItem> todoItems) {
+        this.todoItems = todoItems;
+    }
+
+}
diff --git a/core-java-lang/src/main/java/com/baeldung/packages/domain/TodoItem.java b/core-java-lang/src/main/java/com/baeldung/packages/domain/TodoItem.java
new file mode 100644
index 0000000000..972e574a7f
--- /dev/null
+++ b/core-java-lang/src/main/java/com/baeldung/packages/domain/TodoItem.java
@@ -0,0 +1,39 @@
+package com.baeldung.packages.domain;
+
+import java.time.LocalDate;
+
+public class TodoItem {
+    private Long id;
+    private String description;
+    private LocalDate dueDate;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public LocalDate getDueDate() {
+        return dueDate;
+    }
+
+    public void setDueDate(LocalDate dueDate) {
+        this.dueDate = dueDate;
+    }
+
+    @Override
+    public String toString() {
+        return "TodoItem [id=" + id + ", description=" + description + ", dueDate=" + dueDate + "]";
+    }
+
+}
diff --git a/core-java-lang/src/test/java/com/baeldung/packages/PackagesUnitTest.java b/core-java-lang/src/test/java/com/baeldung/packages/PackagesUnitTest.java
new file mode 100644
index 0000000000..212fb7b3c7
--- /dev/null
+++ b/core-java-lang/src/test/java/com/baeldung/packages/PackagesUnitTest.java
@@ -0,0 +1,23 @@
+package com.baeldung.packages;
+
+import static org.junit.Assert.assertEquals;
+
+import java.time.LocalDate;
+
+import org.junit.Test;
+
+import com.baeldung.packages.domain.TodoItem;
+
+public class PackagesUnitTest {
+
+    @Test
+    public void whenTodoItemAdded_ThenSizeIncreases() {
+        TodoItem todoItem = new TodoItem();
+        todoItem.setId(1L);
+        todoItem.setDescription("Test the Todo List");
+        todoItem.setDueDate(LocalDate.now());
+        TodoList todoList = new TodoList();
+        todoList.addTodoItem(todoItem);
+        assertEquals(1, todoList.getTodoItems().size());
+    }
+}