class Person {

  private readonly name: string;

​

  public constructor(name: string) {

    // name cannot be changed after this initial definition, which has to be either at it's declaration or in the constructor.

    this.name = name;

  }

​

  public getName(): string {

    return this.name;

  }

}

const person = new Person("Jane");

​

console.log(person.getName());