学步园

public class WriteObject
{
 public static void main(String[] args)
 {
  ObjectOutputStream oos = null;
  try
  {
   //创建一个ObjectOutputStream输出流
   oos = new ObjectOutputStream(
    new FileOutputStream("object.txt"));
   Person per = new Person("孙悟空", 500);
   //将per对象写入输出流
   oos.writeObject(per);
  }
  catch (IOException ex)
  {
   ex.printStackTrace();
  }
  finally
  {
   try
   {
    if (oos != null)
     oos.close();
   }
   catch (IOException ex)
   {
    ex.printStackTrace();
   }
  }
 }
}

public class Person
 implements java.io.Serializable
{
 private String name;
 private int age;

 public Person(String name , int age)
 {
  System.out.println("有参数的构造器");
  this.name = name;
  this.age = age;
 }

 public void setName(String name)
 {
  this.name = name;
 }
 public String getName()
 {
   return this.name;
 }

 public void setAge(int age)
 {
  this.age = age;
 }
 public int getAge()
 {
   return this.age;
 }
}

public class ReadObject
{
 public static void main(String[] args)
 {
  ObjectInputStream ois = null;
  try
  {
   //创建一个ObjectInputStream输出流
   ois = new ObjectInputStream(
    new FileInputStream("object.txt"));
   //从输入流中读取一个Java对象，并将其强制类型转换为Person类
   Person p = (Person)ois.readObject();
   System.out.println("名字为：" + p.getName()
    + "\n年龄为：" + p.getAge());
  }
  catch (Exception ex)
  {
   ex.printStackTrace();
  }
  finally
  {
   try
   {
    if (ois != null)
     ois.close();
   }
   catch (IOException ex)
   {
    ex.printStackTrace();
   }
  }
 }
}