对象状态和行为

/*class对象的属性影响行为*/
class Dog{
        int size;
        String name;
    
    void bark(){
        if(size > 60){
            System.out.println("汪汪汪汪汪");
        }else if(size > 14 ){
            System.out.println("汪汪汪");
        }else{
            System.out.println("嗷嗷嗷");
        }
    }
}
public class Duixiangzhuangtaihexingwei {
    public static void main(String[] args) {
        Dog dog1 = new Dog();
        dog1.name = "旺财";
        dog1.size = 100;
        Dog dog2 =new Dog();
        dog2.name = "壮丁";
        dog2.size = 20;
        Dog dog3 = new Dog();
        dog3.name = "小旦";
        dog3.size = 5;
        
        dog1.bark();
        dog2.bark();
        dog3.bark();
        
    }
}