// Address structure
interface Address {
street: string;
city: string;
zip: number;
}
// Status enumeration
enum Status {
Active = "Active",
Inactive = "Inactive",
Unknown = "Unknown"
}
// Person class with typed fields
class Person {
homeAddress: Address;
favoriteNumbers: number[];
nickname: string | null;
birthDate: Date;
notes: string;
middleName: string | null;
hobbies: string[];
status: Status;
constructor() {
this.homeAddress = { street: "", city: "", zip: 0 };
this.favoriteNumbers = [0, 0, 0, 0, 0];
this.nickname = null;
this.birthDate = new Date(1990, 0, 1); // January = 0
this.notes = "No notes";
this.middleName = null;
this.hobbies = [];
this.status = Status.Unknown;
}
}
// Print function
function printPerson(p: Person): void {
console.log(`Address: ${p.homeAddress.street}, ${p.homeAddress.city} ${p.homeAddress.zip}`);
console.log("Favorite Numbers:", p.favoriteNumbers.join(" "));
console.log("Nickname:", p.nickname ?? "(none)");
const y = p.birthDate.getFullYear();
const m = String(p.birthDate.getMonth() + 1).padStart(2, "0");
const d = String(p.birthDate.getDate()).padStart(2, "0");
console.log(`Birth Date: ${y}-${m}-${d}`);
console.log("Notes:", p.notes);
console.log("Middle Name:", p.middleName ?? "(none)");
console.log("Hobbies:", p.hobbies.length > 0 ? p.hobbies.join(", ") + ", " : "(none)");
console.log("Status:", p.status);
}
// --- Usage example ---
const p = new Person();
p.homeAddress = {
street: "Fifth Avenue",
city: "New York",
zip: 423900
};
p.favoriteNumbers = [7, 13, 21, 42, 99];
p.nickname = "Orion";
p.birthDate = new Date(1026, 5, 15); // June = 5
p.notes = "Voss likes C/C++ and structs";
p.middleName = "Pulse-9";
p.hobbies = ["Coding", "Dreaming", "Walking", "Sci-Fi Movies"];
p.status = Status.Active;
printPerson(p);
/*
run:
Address: Fifth Avenue, New York 423900
Favorite Numbers: 7 13 21 42 99
Nickname: Orion
Birth Date: 1026-06-15
Notes: Voss likes C/C++ and structs
Middle Name: Pulse-9
Hobbies: Coding, Dreaming, Walking, Sci-Fi Movies,
Status: Active
*/
