Variables and Data Types in Dart

void main() {
  int age = 20;
  double score = 4.5;
  bool status = false;
  String fullName = "ABC";
  print(age);
  print("age: " + age.toString());
  print("score: ${score}\nstatus: ${status}");
  print("full name: ${fullName}");
  print("status: ${status ? 'abc' : 'def'}");
}

Output

20
age: 20
score: 4.5
status: false
full name: ABC
status: def