## Dart编程实例 - Dart Map ```dartvoid main() { var details = {Usrname:tom,Password:pass@123}; print(details);}```
## Dart编程实例 - 添加值到map```dartvoid main() { var details = {Usrname:tom,Password:pass@123}; details[Uid] = U1oo1; print(details);}```
## Dart编程实例 - Map 构造方法```dartvoid main() { var details = new Map(); details[Usrname] = admin; details[Password] = admin@123; print(details);}```
## Dart编程实例 - Map Keys属性```dartvoid main() { var details = {Usrname:tom,Password:pass@123}; print(details.keys);}```
## Dart编程实例 - Map Values属性```dartvoid main() { var details = {Usrname:tom,Password:pass@123}; print(details.values);}```
## Dart编程实例 - Map Length属性```dartvoid main() { var details = {Usrname:tom,Password:pass@123}; print(details.length);}```
## Dart编程实例 - Map isEmpty属性```dartvoid main() { var details = {Usrname:tom,Password:pass@123}; print(details.isEmpty); var hosts = {}; print(hosts.isEmpty);}
## Dart编程实例 - Map isNotEmpty属性```dartvoid main() { var details = {Usrname:tom,Password:pass@123}; print(details.isNotEmpty); var hosts = {}; print(hosts.isNotEmpt
## Dart编程实例 - Map addAll() 方法```dartvoid main() { Map m = {name:Tom,Id:E1001}; print(Map :${m}); m.addAll({dept:HR,email:tom@xyz.com}); print(Map after
