dart map of maps code example

Example 1: Map in dart

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

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

Example 2: dart list of maps

var orderLines = <Map>[]; // creates an empty List<Map>

orderLines.add({ 'number'  : '',
              'Item' : '',
              'Qty'  : ''
             });