public class Book extends Item implements PriceableWithVAT6{ //Variabler private final String author; private final double price; private final boolean bound; //Konstruktior public Book (String name, String author, double price, boolean bound){ super(name); this.author = author; this.price = price; this.bound = bound; } //Metoder public double getPrice(){ //Om boken är inbunden så ska pricet öka med 30% if (bound) { return this.price * 1.3; } else { return this.price; } } public String toString(){ return this.bound + ", "+ getPrice() + ", " + super.getName() + ", " + this.author ; } }