Test

lib/models/customer.dart

@@ -46,7 +46,7 @@ class Data {
     customerCode = json['customerCode'];
     custName = json['custName'];
     if (json['buildings'] != null) {
-      buildings = new List<Buildings>();
+      buildings = [];
       json['buildings'].forEach((v) {
         buildings.add(new Buildings.fromJson(v));
       });
@@ -78,7 +78,7 @@ class Buildings {
     name = json['name'];
     value = json['value'];
     if (json['floors'] != null) {
-      floors = new List<Floors>();
+      floors = [];
       json['floors'].forEach((v) {
         floors.add(new Floors.fromJson(v));
       });
@@ -110,7 +110,7 @@ class Floors {
     name = json['name'];
     value = json['value'];
     if (json['departments'] != null) {
-      departments = new List<Departments>();
+      departments = [];
       json['departments'].forEach((v) {
         departments.add(new Departments.fromJson(v));
       });

lib/models/hospital.dart

@@ -78,7 +78,7 @@ class Buildings {
     name = json['name'];
     value = json['value'];
     if (json['floors'] != null) {
-      floors = List<Floors>();
+      floors = [];
       json['floors'].forEach((v) {
         floors.add(Floors.fromJson(v));
       });
@@ -110,7 +110,7 @@ class Floors {
     name = json['name'];
     value = json['value'];
     if (json['departments'] != null) {
-      departments = List<Departments>();
+      departments = [];
       json['departments'].forEach((v) {
         departments.add(Departments.fromJson(v));
       });