(1)要编写一个dog.properties
name=tom
age=5
color=red
(2)编写Dog 类(name,age,color)创建一个dog对象，读取dog.properties 用相应的内容完
成属性初始化,并输出
(3)将创建的Dog 对象 ，序列化到 文件 dog.dat 文件

package chapter19.Properties;import org.junit.Test;import java.io.*;
import java.util.Properties;/*** @Author Java顶针* @Version 1.0*/
public class Homework {public static void main(String[] args) throws IOException, ClassNotFoundException {Properties properties = new Properties();properties.setProperty("name","TOM");properties.setProperty("age","5");properties.setProperty("color","red");//写入信息到文件properties.store(new FileOutputStream("src/dog.properties"),null);System.out.println("写入成功");//读取信息BufferedReader brr = new BufferedReader(new FileReader("src/dog.properties"));Dog dog = new Dog(properties.getProperty("name"), Integer.parseInt(properties.getProperty("age")), properties.getProperty("color"));System.out.println("读取成功");String decPath = "D:/javaTest/dog.dat";ObjectOutputStream obj = new ObjectOutputStream(new FileOutputStream(decPath));obj.writeObject(new Dog(dog.getName(), dog.getAge(),  dog.getColor()));obj.close();brr.close();}@Testpublic void readDog() throws IOException, ClassNotFoundException {//读取序列化对象String decPath = "D:/javaTest/dog.dat";ObjectInputStream obj = new ObjectInputStream(new FileInputStream(decPath));Object o = obj.readObject();Dog dog = (Dog) o;System.out.println("读取成功：\n"+"name:"+dog.getName()+"\n"+"age:"+dog.getAge()+"\n"+"color:"+dog.getColor());}
}
class Dog implements Serializable {private String name;private int age;private String color;public Dog(String name, int age, String color) {this.name = name;this.age = age;this.color = color;}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public String getColor() {return color;}public void setColor(String color) {this.color = color;}@Overridepublic String toString() {return "Dog{" +"name='" + name + '\'' +", age=" + age +", color='" + color + '\'' +'}';}
}