DART

dart to string

void main() {   
   int n1 = 2;   
   var value = n1.toString();   
   print( value is String ); 
}  

$ to string dart

void main() {
  print("This string contains a dollar $ign");
}

convert to string flutter

  int intValue = 1;
  String stringValue = intValue.toString();
  String hexValue = intValue.toRadixString(16);