Dart: List Cheat Sheet

# first Method

List.first

void main() { 
   var lst = new List(); 
   lst.add(5); 
   lst.add(10); 
   print("The first element of the list is: ${lst.first}"); 
}  

=> output

The first element of the list is: 5  

# isEmpty Method

List.isEmpty

void main() { 
   var lst = new List(); 
   lst.add(5); 
   lst.add(10); 
   print(lst.isEmpty); 
}  

=> output

False  

# isNotEmpty Method

List.isNotEmpty

void main() { 
   var lst = new List(); 
   lst.add(5); 
   lst.add(10); 
   print(lst.isNotEmpty); 
}  

=> output

true  

# length Method

List.length 

void main() { 
   var lst = new List(); 
   lst.add(5); 
   lst.add(10); 
   print("The length of the list is : ${lst.length}"); 
}   

=> output

The length of the list is : 2  

# last Method

List.last 

void main() { 
   var lst = new List(); 
   lst.add(5); 
   lst.add(10); 
   print("The last element of the list is: ${lst.last}"); 
}   

=> output

The last element of the list is: 10 

# reversed Method

List.reversed 

void main() { 
   var lst = new List(); 
   lst.add(5); 
   lst.add(10); 
   print("The list values in reverse order: ${lst.reversed}"); 
}  

=> output

The list values in reverse order: (10, 5)

# single Method

List.single 

void main() { 
   var lst = new List(); 
   lst.add(5);
   print("The list has only one element: ${lst.single}"); 
}  

It will produce the following output −

The list has only one element: 5