TypeScript - POO

app.ts

class Course {
    
    constructor(private _id: number, private _name: string) {}

    // get and set
    
    get id() {
        return this._id
    }

    set id(id: number) {
        this._id = id
    }

    get name() {
        return this._name
    }

    set name(name: string) {
        this._name = name
    }
}

class School {

    private courses: Course[] = []
    
    constructor(private _name: string) {}

    // get and set

    get name() {
        return this._name
    }

    set name(name: string) {
        this._name = name
    }

    public addCouse(course: Course) {
        this.courses.push(course)
    }
}

const school = new School('MySchool')

let courseJS = new Course(1, 'JavaScript')
let courseTS = new Course(2, 'TypeScript')

school.addCouse(courseJS)
school.addCouse(courseTS)

courseJS.id = 10 // SET
courseJS.name = 'JavaScript Basic' // SET

console.log('school', school)
console.log('school.name', school.name) // GET
console.log('course.name', courseJS.name) // GET