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暑假学习第三天
面向对象：类 对象 package com.yang.www.base.objectproject;public class Dog { String name; int age; float weight; public static void main(String[] args) { Dog duoduo = new Dog(); duoduo.name = "多多"; duoduo.age = 6;暑假学习第三天
面向对象：类 对象 package com.yang.www.base.objectproject;public class Dog { String name; int age; float weight; public static void main(String[] args) { Dog duoduo = new Dog(); duoduo.name = "多多"; duoduo.age = 6;