diff --git a/pkg/collections/array_list/array_list_json.go b/pkg/collections/array_list/array_list_json.go
new file mode 100644
index 0000000..77222dd
--- /dev/null
+++ b/pkg/collections/array_list/array_list_json.go
@@ -0,0 +1,20 @@
+package array_list
+
+import (
+	"encoding/json"
+)
+
+func (a *ArrayList[T]) MarshalJSON() ([]byte, error) {
+	return json.Marshal(a.content[:a.size])
+}
+
+func (a *ArrayList[T]) UnmarshalJSON(data []byte) error {
+	var content []T
+	if err := json.Unmarshal(data, &content); err != nil {
+		return err
+	}
+
+	a.content = content
+	a.size = len(content)
+	return nil
+}
diff --git a/pkg/collections/array_list/array_list_xml.go b/pkg/collections/array_list/array_list_xml.go
new file mode 100644
index 0000000..3650195
--- /dev/null
+++ b/pkg/collections/array_list/array_list_xml.go
@@ -0,0 +1,20 @@
+package array_list
+
+import (
+	"encoding/json"
+)
+
+func (a *ArrayList[T]) MarshalXML() ([]byte, error) {
+	return json.Marshal(a.content[:a.size])
+}
+
+func (a *ArrayList[T]) UnmarshalXML(data []byte) error {
+	var content []T
+	if err := json.Unmarshal(data, &content); err != nil {
+		return err
+	}
+
+	a.content = content
+	a.size = len(content)
+	return nil
+}
diff --git a/pkg/collections/array_list/array_list_yaml.go b/pkg/collections/array_list/array_list_yaml.go
new file mode 100644
index 0000000..0437e38
--- /dev/null
+++ b/pkg/collections/array_list/array_list_yaml.go
@@ -0,0 +1,20 @@
+package array_list
+
+import (
+	"encoding/json"
+)
+
+func (a *ArrayList[T]) MarshalYAML() ([]byte, error) {
+	return json.Marshal(a.content[:a.size])
+}
+
+func (a *ArrayList[T]) UnmarshalYAML(data []byte) error {
+	var content []T
+	if err := json.Unmarshal(data, &content); err != nil {
+		return err
+	}
+
+	a.content = content
+	a.size = len(content)
+	return nil
+}