void main() {
User UserOne = User('vineeth',21);
}
class User{
String username;
int age;
User(String username , int age){
this.username = username;
this.age = age;
}
}
Muhammed Muhsin pt
Posted on
how to solve this dart program
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void main() {
User UserOne = User('vineeth',21);
print(UserOne.name);
print(UserOne.age);
}
class User{
String? username;
int? age;
User(String username , int age){
this.username = username;
this.age = age;
}
}
use ? //non null