addFood(Food food):进货的食品添加到食品一览中。返回值为 void。 · printFoodJAVA
时间: 2024-05-22 07:13:36 浏览: 9
Sorry, as an AI language model, I cannot provide the implementation of methods in a specific programming language without more context. Can you please provide more information about the class and its attributes?
相关问题
javaaddFood(Food food):进货的食品添加到食品一览中。返回值为 void。
Java code for javaaddFood(Food food):
```
public void javaaddFood(Food food) {
// Add the food to the list of available food items
foodList.add(food);
}
```
Explanation:
The method `javaaddFood(Food food)` takes a `Food` object as a parameter and adds it to the list of available food items. The method has a return type of `void`, which means it does not return any value.
The `add()` method is used to add the `Food` object to the `foodList` array list. The method is called on the object `foodList`, which is an instance variable of the class that contains the `javaaddFood()` method.
Note: This is just an example implementation of the method. The actual implementation may vary depending on the specific requirements of the project.
如果我在Food类中声明函数void Food::generateRandomPosition(vector<vector<int>>& board),该怎么继续解决问题
如果您在 `Food` 类中声明了 `generateRandomPosition` 函数,那么在 `Snake` 类的构造函数中,您需要传递一个棋盘(即 `board`),使得 `generateRandomPosition` 函数能够在合适的位置生成食物。然后,在 `Snake` 类的 `move` 方法中,您需要将 `board` 传递给 `generateRandomPosition` 函数,以确保在生成食物时不会与蛇身碰撞。
下面是修改后的代码:
```
// Food.h
class Food
{
private:
int food_x, food_y;
public:
void generateRandomPosition(vector<vector<int>>& board); // 修改函数声明
int getfood_x();
int getfood_y();
};
// Food.cpp
void Food::generateRandomPosition(vector<vector<int>>& board) // 修改函数定义
{
// 在 board 上随机生成食物位置
...
}
// Snake.cpp
Snake::Snake(int x, int y)
{
...
snakefood.generateRandomPosition(body); // 将 body 传递给 generateRandomPosition 函数
...
}
void Snake::move()
{
...
if (movedirection == 1)
{
Head_x -= 1;
if (body[Head_x][Head_y] == -2)
{
snakefood.generateRandomPosition(body); // 将 body 传递给 generateRandomPosition 函数
body[snakefood.getfood_x()][snakefood.getfood_y()] = -2;
}
else
{
...
}
}
...
}
```
这样,您就可以通过将棋盘传递给 `generateRandomPosition` 函数,来确保在生成食物时不会与蛇身碰撞。