## Dart编程实例 - Map remove() 方法```dartvoid main() { Map m = {name:Tom,Id:E1001}; print(Map :${m}); dynamic res = m.remove(name); print(Value popped from the Ma
## Dart编程实例 - Map forEach() 方法```dartvoid main() { var usrMap = {name: Tom, Email: tom@xyz.com}; usrMap.forEach((k,v) = print(${k}: ${v}));}```
## Dart编程实例 - Symbol```dartimport dart:mirrors;void main(){ Symbol lib = new Symbol(foo_lib); String name_of_lib = MirrorSystem.getName(lib); print(lib); print(na
## Dart编程实例 - String codeUnitAt() 方法```dartimport dart:core;void main(){ f1();}f1() { String x = Runes; print(x.codeUnitAt(0));}```
## Dart编程实例 - String codeUnits 属性```dartimport dart:core; void main(){ f1();} f1() { String x = Runes; print(x.codeUnits);}```
## Dart编程实例 - String runes 属性```dartvoid main(){ A string.runes.forEach((int rune) { var character=new String.fromCharCode(rune); print(character); }); }``
## Dart编程实例 - Runes类构造函数```dartmain() { Runes input = new Runes( \u{1f605} ); print(new String.fromCharCodes(input));} ```
## Dart编程实例 - 枚举```dartenum Status { none, running, stopped, paused} void main() { print(Status.values); Status.values.forEach((v) = print(value: $
## Dart编程实例 - 调用函数```dartvoid main() { test();} test() { //function definition print(function called);}```
## Dart编程实例 - 返回函数```dartvoid main() { print(test());} String test() { // function definition return hello world;}```
