typescript default constructor code example

Example 1: classes in typescript

class Info {
  private name: string ;
  constructor(n:string){
    this.name = n ;
  };
  describe(){
    console.log(`Your name is  ${this.name}`);
  }
}

const a = new Info('joyous');
a.describe();

Example 2: abstract classes in typescript

abstract class Animal {
  abstract makeSound(): void;

  move(): void {
    console.log("roaming the earth...");
  }
}Try