Head Firstデザインパターン 第2版 ―頭とからだで覚えるデザインパターンの基本

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public class MenuItem extends MenuComponent {

String name;

String description;

boolean vegetarian;

double price;

public MenuItem(String name,

String description,

boolean vegetarian,

double price)

{

this.name = name;

this.description = description;

this.vegetarian = vegetarian;

this.price = price;

}

public String getName() {

return name;

}

public String getDescription() {

return description;

}

public double getPrice() {

return price;

}

public boolean isVegetarian() {

return vegetarian;

}

public void print() {

System.out.print(" " + getName());

if (isVegetarian()) {

System.out.print("(v)");

}

System.out.println(" ...