Anti-collection mark: Courses and materials of teacher Kang Shaojun
//generics_type_error.dart文件
void main(){
//List元素类型为String
var languages = List
();
//类型正确
languages.addAll(['Java', 'Kotlin', 'Dart']);
//使用整型值会报异常
languages.add(50);
}
- Dart exchange group: 1046954554
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@ Author: Kang Shaojun