序列化对象：
package com.chen.seriaizable;
import java.io.serializable;
import java.util.list;
@suppresswarnings("serial")
public class student implements serializable
{
private string name;
private string id;
private int age;
private list<student> students;
public string getname()
{
return name;
}
public void setname(string name)
{
this.name = name;
}
public string getid()
{
return id;
}
public void setid(string id)
{
this.id = id;
}
public int getage()
{
return age;
}
public void setage(int age)
{
this.age = age;
}
public list<student> getstudents()
{
return students;
}
public void setstudents(list<student> students)
{
this.students = students;
}
@override
public string tostring()
{
stringbuffer stringbuffer = new stringbuffer();
stringbuffer.append("id：" + this.id).append("\n");
stringbuffer.append("name：" + this.name).append("\n");
stringbuffer.append("age：" + this.age).append("\n");
return stringbuffer.tostring();
}
}
package com.chen.seriaizable;
import java.io.fileinputstream;
import java.io.fileoutputstream;
import java.io.ioexception;
import java.io.objectinputstream;
import java.io.objectoutputstream;
import java.util.arraylist;
import java.util.list;
public class savestudent
{
private student student;
// 序列化文件保存位置
private string path = "c:/student.serializable";
public void writestudent()
{
list<student> students = new arraylist<student>();
student = new student();
student student1 = new student();
student1.setage(1);
student1.setid("1");
student1.setname("张1");
students.add(student1);
student student2 = new student();
student2.setage(2);
student2.setid("2");
student2.setname("张2");
students.add(student2);
student student3 = new student();
student3.setage(3);
student3.setid("3");
student3.setname("张3");
students.add(student3);
student student4 = new student();
student4.setage(4);
student4.setid("4");
student4.setname("张4");
student student41 = new student();
student41.setage(41);
student41.setid("41");
student41.setname("张41");
list<student> students4 = new arraylist<student>();
students4.add(student41);
student4.setstudents(students4);
students.add(student4);
student.setage(500);
student.setid("100");
student.setname("张a000");
student.setstudents(students);
try
{
objectoutputstream objectoutputstream = new objectoutputstream(new fileoutputstream(path));
objectoutputstream.writeobject(student);
objectoutputstream.close();
}
catch (ioexception e)
{
// todo auto-generated catch block
e.printstacktrace();
}
system.out.println("写完");
}
public void readstudent()
{
try
{
objectinputstream objectinputstream = new objectinputstream(new fileinputstream(path));
student = (student) objectinputstream.readobject();
system.out.println(student.getage());
objectinputstream.close();
}
catch (exception e)
{
e.printstacktrace();
}
system.out.println("读完");
}
@override
public string tostring()
{
readstudent();
stringbuffer stringbuffer = new stringbuffer(100);
studenttostring(stringbuffer, student);
return stringbuffer.tostring();
}
public void studenttostring(stringbuffer stringbuffer, student studentobj)
{
if (student != null)
{
stringbuffer.append("id：" + studentobj.tostring()).append("\n");
if (studentobj.getstudents() != null)
{
stringbuffer.append("\n[\n");
for (student bean : studentobj.getstudents())
{
studenttostring(stringbuffer, bean);
}
stringbuffer.append("\n]\n");
}
}
}
}
测试类：
package com.chen.seriaizable;
public class test
{
/**
* @param args
*/
public static void main(string[] args)
{
savestudent savestudent = new savestudent();
// 1 先执行写入文件
// savestudent.writestudent();
// 2 再读取
system.out.println(savestudent);
system.out.println("读完");
}
}
更多java 序列化对象 serializable 读写数据的实例。
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