Dart编程实例 - Map forEach() 方法
void main() {
var usrMap = {"name": "Tom", 'Email': 'tom@xyz.com'};
usrMap.forEach((k,v) => print('${k}: ${v}'));
}
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void main() {
var usrMap = {"name": "Tom", 'Email': 'tom@xyz.com'};
usrMap.forEach((k,v) => print('${k}: ${v}'));
}
## Dart编程实例 - Enabling Checked Mode```dartvoid main() { int n=hello; print(n); } ```
## Dart编程实例 - Dart 面向对象编程```dartclass TestClass { void disp() { print(Hello World); }} void main() { TestClass c = new TestClass(); c.d