class GoodsInfo {
    String name;
    float price;
    int num;
    float sum;
    
    
    public void setName(String name) {
        this.name = name;
    }
    public void setPrice(float price) {
        this.price = price;
    }
    public void setNum(int num){
        this.num = num;
    }
    
    
    public String getName() {
        return name;
    }
    public float getPrice() {
        return price;
    }
    public int getNum() {
        return num;
    }
    public float getSum() {
        sum = price * num ;
        return sum;
    }
}

public class TestGoods {
    public static void main(String[] args) {
        GoodsInfo g = new GoodsInfo();
        g.setName("沙发");
        g.setPrice(800.0f);
        g.setNum(20);
        System.out.println("货品名称：" + g.getName());
        System.out.println("货品单价：" + g.getPrice() + "元/套");
        System.out.println("货品数量：" + g.getNum() + "元");
        System.out.println("货品总价：" + g.getSum()+ "元");
        
    }
}