prac1

public class Book {
    private int year;
    private String name;
    public Book(String n, int y){
        year = y;
        name = n;
    }
    public Book(String n){
        name = n;
        year = 0;
    }
    public Book(){
        name = "Demian";
        year = 0;
    }
    public void setName(String name){
        this.name = name;
    }
    public void setYear(int year){
        this.year = year;
    }
    public String getName(){
        return name;
    }
    public int getYear(){
        return year;
    }
    public String toString(){
        return this.name+"'s age is "+this.year;
    }
}



public class TestBook {
    public static void main(String[] args) {
        Book book1 = new Book("Night in the Lissabone", 1941);
        Book book2 = new Book("Three comrades");
        Book book3 = new Book();

        book3.setName("Harry Potter");
        book3.setYear(1997);
        book3.getName();
        System.out.println(book3);

    }
}