dart for in loop

void main() { 
   var obj = [12,13,14]; 
   
   for (var prop in obj) { 
      print(prop); 
   } 
} 

void main() {
  List subjects = ['Math', 'Biology', 'Economic', 'History', 'Science'];
  for (String sName in subjects) {
    print(sName);
  }
}

  Widget build(BuildContext context) {
var list = [{'id':"123123","date":"20/08/2016"},{'id':"123124","date":"26/08/2016"},{'id':"123125","date":"26/08/2016"}]; 
   return Scaffold(
  appBar: AppBar(
    title: Text(widget.title),
  ),
  body: Center(
    child: Column(
      mainAxisAlignment: MainAxisAlignment.start,
      children: <Widget>[
        Text('Recent Claims'),
        Table(
          border: TableBorder.all(color: Colors.black),
          columnWidths: {
            0: FixedColumnWidth(100.0),
            1: FixedColumnWidth(100.0)
          },
          children:[
            for(var item in list )  TableRow(children: [
              Text(item['id']),
              Text(item['date']),
          ])]
           ),
      }