Answers for "list in dart flutter"

0

list in dart

main(List<String> args) {
  //Syntax : List<ValuesDataType> ListName = [Values]
  List<int> x = [10, 20, 30, 50, 70, 90];

  //? printing specific value : print (ListNameHere[ItsArrangeStartFrom0]);
  //! example
  print(x[0]);

  //? printing the whole list : print (ListName)
  print(x);

  //? calculate list values :
  //! example 
  print(x[0] * x[5]);

  //? to add a new value to the list use <ListName>.add(Value);
  //! example 
  x.add(155);
}
Posted by: Guest on August-06-2021
2

list dart

var fixedLengthList = List<int>.filled(5, 0);
fixedLengthList.length = 0;  // Error
fixedLengthList.add(499);    // Error
fixedLengthList[0] = 87;
var growableList = [1, 2];
growableList.length = 0;
growableList.add(499);
growableList[0] = 87;
Posted by: Guest on April-15-2021
1

dart list

-----Fixed Length List----
var list_name = [initial_size];

lst_name[index] = value;

----Growable List------
var list_name = [val1,val2,val3];
OR  
var list_name = []; 

list_name[index] = value;
Posted by: Guest on July-24-2021
0

flutter count list

var comments = <Comment>[...];
var count = comments.where((c) => c.product_id == someProductId).toList().length;
Posted by: Guest on July-12-2020

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