猫狗识别 数据集下载: 网盘链接:https://pan.baidu.com/s/1SlNAPf3NbgPyf93XluM7Fg 提取密码:hpn4 1. 要导入的包 import os import time import numpy as np import torch import torch.nn as nn import torch.nn.functional as F from torch.utils.data import DataLoader from torch.utils i
我们用猫狗案例来表明在java中使用多态的好处: class Animal{ public Animal(){} public void eat(){ System.out.println("吃饭"); } public void sleep(){ System.out.println("睡觉"); } } class Cat extends Animal{ public Cat(){} public void eat(){ System.out.println(&