Java-超市购物小票案例-详细介绍

public class GoodsItem {

//成员变量
private String name;   //名称
private String id;     //编号
private double price;  //单价
private int num;       //数量
private String unit;   //计价单位
private double money;  //金额

//有参构造方法
public GoodsItem(String name, String id, double price, int num, String unit, double money) {
super();
this.name = name;
this.id = id;
this.price = price;
this.num = num;
this.unit = unit;
this.money = money;
}
//无参构造方法
public GoodsItem() {
super();
// TODO Auto-generated constructor stub
}

//取值（get）和赋值（set）方法
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
public String getUnit() {
return unit;
}
public void setUnit(String unit) {
this.unit = unit;
}
public double getMoney() {
return money;
}
public void setMoney(double money) {
this.money = money;
}

}

1.2  打印超市购物小票