class Person{
  constructor(name, age){
    this.name = name;
    this.age = age;
  }
  getName(){
    console.log("i am "+ this.name);
  }
  getAge(){
    console.log("I am "+ this.age+" years old.");
  }
}

const person1 = new Person("Jhon", 25);
const person2 = new Person( "Mary", 45);

person1.getName() + person1.getAge()
person2.getName() + person2.getAge()