Map in dart

void main() { 
   var details = new Map(); 
   details['Usrname'] = 'admin'; 
   details['Password'] = 'admin@123'; 
   print(details); 
} 

// Output
// {Usrname: admin, Password: admin@123}

Dart map

{Usrname: tom, Password: pass@123, Uid: U1oo1}

Source: tutorialspoint.com

Dart map

void main() { 
   var details = {'Usrname':'tom','Password':'pass@123'}; 
   details['Uid'] = 'U1oo1'; 
   print(details); 
}

Source: tutorialspoint.com

Dart map

void main() { 
   var details = new Map(); 
   details['Usrname'] = 'admin'; 
   details['Password'] = 'admin@123'; 
   print(details); 
}

Source: tutorialspoint.com

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Canonical tag
Dart