同步
同步的问题
当给狗狗食物的同时，狗狗又在吃，这会导致在运行过程中会出现食物的数据的错乱，有时候会多出数据，有时候会少出数据，这就让狗狗有时候会很吃亏，那么该如何解决呢？
实验体现
package multiThread2;public class Animal{private String name;private int year;Animal(){}private int food;public Animal(String name,int year,int food){this.name = name;this.year = year;this.food = food;}@Overridepublic String toString() {return "姓名："+ name + "，年龄：" + year + "，来干饭了，还剩"+ food + "个食物";}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getYear() {return year;}public void setYear(int year) {this.year = year;}public int getFood() {return food;}public void setFood(int food) {this.food = food;}public void eatFood(){this.food--;}public void addFood(){this.food++;}
}package multiThread2;public class main {public static void main(String[] args) throws InterruptedException {Animal a2 = new Animal("旺财",3,200);System.out.println(a2.getName()+"原本的食物有"+a2.getFood());Thread[] 
)