List_(Collection)_Dart

 import "dart:core";

//A very commonly used collection in programming is an array. Dart represents arrays in the
// form of List objects. A List is simply an ordered group of objects. The dart:core library
// provides the List class that enables creation and manipulation of lists
void main()
{
  var play = ["apple", "mango", "watermelon", true, 32, 11, 80.12, 31.82, false];
  print(play);

  //Add Element
  play.add("coconut");
  print("Add : ${play}");

  //addAll() Insert the multiple values to the given List, and each value is
  // separated by the commas and enclosed with a square bracket ([])

  play.addAll([32, "pomegranate", true]);
  print("addAll() : ${play}");

  //Creating New List
  var play1 = [52,96,36,10,74,55,14,39,64,25,75,31,54,61,85,59];

  //sort element
  play1.sort();
  print("sort element : ${play1}");

  //print using for Each loop
  for(var a in play1)
    {
      print(a);
    }

  //Insert list in specific position
  //Syntax : List_Name.insert(index, element);
  play1.insert(2, 100);
  print("Insert List in Specific position : ${play1}");

  //insertAll() Insert the multiple value at the specified index position
  //Syntax : List_Name.insertAll(index, [List_elements]);
  play1.insertAll(1, [10, 20, 30, 40]);
  print(play1);

  //Remove element from specific position
  play1.removeAt(1);
  print(play1);

  //Remove element from the List
  play1.remove(100);
  print(play1);

  //Remove Last element from the List
  play1.removeLast();
  print("Remove Last Element : ${play1}");

  //removeRange() Removes the item within the specified range
  play1.removeRange(0, 4);
  print("Remove Range : ${play1}");

  //Find List Length
  print(play1.length);

  //Reversed List
  // print(play1.reversed);

  //Check Element it contain in List(Returns boolean : true OR false)
  print(play1.contains(75));
  print(play1.contains(100));

  //print First Element
  print(play1.first);

  //print Last Element
  print(play1.last);

  //single: It is used to check if the List has only one element and returns it.
  // The value is null if the iterable is empty or it contains more than one element

  print(play1.singleOrNull);

  //Creating new List below :
  // var play2 = [62];
  // print(play2.singleOrNull);

  //isNotEmpty: It returns true if the List is not empty and false if the List is empty
  print(play1.isNotEmpty);

  //isEmpty: It returns true if the List is empty and false if the List is not empty
  print(play1.isEmpty);

}