TestCat

package com.shrimpking.t1;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2024/9/16 18:38
 */
class MyCat{
    public float weight; //公有

    public MyCat(){}
}

public class TestCat
{
    public static void main(String[] args)
    {
        MyCat cat = new MyCat();
        //设置
        cat.weight = -10f;
        //模拟获取
        float temp = cat.weight;
        System.out.println("the weight of a cat is :" + temp);

        //是不是不合理，剔重为负

    }

}