1. //plik: employee.ts
2.  
3. export class Employee {
4.     private name: string
5.     private payment: number
6.  
7.     constructor(name: string, payment: number) {
8.         this.name = name
9.         this.payment = payment
10.     }
11.  
12.     public toString(): string {
13.         return this.name + ' ' + this.payment
14.     }
15. }
16.  
17. //plik: company.ts
18.  
19. import { Employee } from "./employee";
20.  
21. export class Company {
22.  
23.     private employees: Employee[] = []
24.  
25.     public addEmployee(employee: Employee) {
26.         this.employees.push(employee)
27.     }
28.  
29.     public toString(): string {
30.         return this.employees.map(item => item.toString()).join('\n')
31.     }
32. }
33.  
34. //plik: app.ts
35.  
36. import { Company } from "./company"
37. import { Employee } from "./employee"
38.  
39.  
40. const company = new Company()
41.  
42. company.addEmployee(new Employee('Kowalski', 5000))
43. company.addEmployee(new Employee('Nowak', 4500))
44. company.addEmployee(new Employee('Wisniewska', 4800))
45. company.addEmployee(new Employee('Baran', 6000))
46.  
47. console.log(company.toString())