booleans and logical operators (XOR, OR, AND)

main.dart

void main() {
  String name = "James";
  String lastName = "Bond";
  int age = 45;
  
  print('his name is ${name + ' ' + lastName} he is $age years old');
  print('his name is $name $lastName he is $age years old');
  print('${lastName.toUpperCase()}');
  
  bool isTheBest = false;
  bool isTheGreatest = false;
  bool isTheWorst = true;
  bool isReallyBad = true;
  
  print("logical AND");
  //logical conjunction -- true if both true, otherwise false
  print(isTheBest & isTheWorst); 
  print(isTheBest & isTheGreatest);
  print(isTheWorst & isReallyBad);
  
  print("xor");
  //exclusive or -- returns whether neither both true nor both false
  print(isTheBest ^ isTheWorst); //predict true
  print(isTheBest ^ isTheGreatest); // predict false
  print(isTheWorst ^ isReallyBad); //predict false
  
  print("inclusive OR");
  //inclusive or |
  print(isTheBest | isTheWorst); //predict true
  print(isTheBest | isTheGreatest); //predict false
  print(isTheWorst | isReallyBad); //predict true 
  
  print('${lastName.toUpperCase()} is $isTheBest');
  print('${lastName is String}');
  print('$isTheBest');
}