1. class Student{
    2. name:string;
    3. age:number;
    4. constructor(name:string,age:number){
    5. this.name=name;
    6. this.age=age;
    7. }
    8. getName():void{
    9. console.log(this.name);
    10. }
    11. }
    12. var s:Student =new Student("li",20);
    13. s.getName()