program to create a Set

void main(){
  Set<String> fruits = {"Apple", "Orange", "Mango"};
  print(fruits);
}

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program to demonstrate properties of Set

void main() {
  // declaring fruits as Set
  Set<String> fruits = {"Apple", "Orange", "Mango", "Banana"};

  // using different properties of Set
  print("First Value is ${fruits.first}");
  print("Last Value is ${fruits.last}");
  print("Is fruits empty? ${fruits.isEmpty}");
  print("Is fruits not empty? ${fruits.isNotEmpty}");
  print("The length of fruits is ${fruits.length}");
}

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program to check for a value in set using contains function

void main(){
  Set<String> fruits = {"Apple", "Orange", "Mango"};
  print(fruits.contains("Mango"));
  print(fruits.contains("Lemon"));
}

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program to add and remove element from set

void main(){
 Set<String> fruits = {"Apple", "Orange", "Mango"};
  
  fruits.add("Lemon");
  fruits.add("Grape");
  
  print("After Adding Lemon and Grape: $fruits");
  
  fruits.remove("Apple");
  print("After Removing Apple: $fruits");
}

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program to add multiple elements to set using addAll() function

void main(){
 Set<int> numbers = {10, 20, 30};
  numbers.addAll([40,50]);
 print("After adding 40 and 50: $numbers");
}   

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program to print all values in set using for in loop

void main(){
 Set<String> fruits = {"Apple", "Orange", "Mango"};
  
 for(String fruit in fruits){
   print(fruit);
 }
}
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program to clear a set using clear function

void main() {
  Set<String> fruits = {"Apple", "Orange", "Mango"};
  // to clear all items
  fruits.clear();

  print(fruits);
}

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program to find difference between two sets

void main() {
  Set<String> fruits1 = {"Apple", "Orange", "Mango"};
  Set<String> fruits2 = {"Apple", "Grapes", "Banana"};

  final differenceSet = fruits1.difference(fruits2);

  print(differenceSet);
}

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program to print element at a specified index in set

void main() {
  Set<String> days = {"Sunday", "Monday", "Tuesday"};
  // index starts from 0 so 2 means Tuesday
  print(days.elementAt(2));
}

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program to find intersection of two sets

void main() {
  Set<String> fruits1 = {"Apple", "Orange", "Mango"};
  Set<String> fruits2 = {"Apple", "Grapes", "Banana"};

  final intersectionSet = fruits1.intersection(fruits2);

  print(intersectionSet);
}

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