gistfile1.txt

public class Person {
    private String name;
    private int age;

    public Person(String nameAtStart) {
        this.age = 0;
        this.name = nameAtStart;
    }

    public void printPerson() {
        System.out.println(this.name + ", age " + this.age + " years");
    }
}
Person Linh=new Person("Linh",19);