创建一个序列化学生对象,然后把对象存储到文件中,并读出存入的学生对象信息...


import java.io.*;
public class Serialization {

/**
* @param args
* @throws IOException
* @throws ClassNotFoundException
*/
/*
* 创建一个序列化的学生对象,并用ObjectOutputStream类把它存储到一个文件(students.txt)中,然后再用ObjectInputStream类把存储的数据读取到一个学生对象中,即恢复保存的学生对象
*/
public static void main(String[] args) throws IOException, ClassNotFoundException {
//创建学生对象
Student stu1 = new Student(001,"张三",19,"计算机科学与技术");
Student stu2 = new Student(002,"李斯",18,"土木工程");
//将学生对象写入到文件中
FileOutputStream fos = new FileOutputStream("students.txt");
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(stu1);
oos.writeObject(stu2);
oos.close();

//从文件中读取存入的学生对象
FileInputStream fis = new FileInputStream("students.txt");
ObjectInputStream ois = new ObjectInputStream(fis);
stu1 = (Student)ois.readObject();
stu2 = (Student)ois.readObject();
ois.close();

System.out.println("id:"+stu1.id);
System.out.println("name:"+stu1.name);
System.out.println("age:"+stu1.age);
System.out.println("deparment:"+stu1.department);

System.out.println("id:"+stu2.id);
System.out.println("name:"+stu2.name);
System.out.println("age:"+stu2.age);
System.out.println("deparment:"+stu2.department);

}

}


import java.io.Serializable;

public class Student implements Serializable {
int id ;
String name;
int age;
String department;
public Student(int id,String name,int age,String department){
this.id = id;
this.name = name;
this.age = age;
this.department = department;
}
}

你可能感兴趣的:(java,基础,iO)