Object对象流

package liuer;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Student implements java.io.Serializable{
private String name;
private Date birth;
private int score;

private static SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
public Student(String name, String birth, int score) throws ParseException {
    super();
    this.name = name;
    this.birth = sdf.parse(birth);
    this.score = score;
}
public String getName() {
    return name;
}
public void setName(String name) {
    this.name = name;
}
public Date getBirth() {
    return birth;
}
public void setBirth(Date birth) {
    this.birth = birth;
}
public int getScore() {
    return score;
}
public void setScore(int score) {
    this.score = score;
}
@Override
public String toString() {
    return "Student [name=" + name + ", birth=" + birth + ", score=" + score
            + "]";
}

    
}

package liuer;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;

public class Testwrite {

    public static void main(String[] args) throws FileNotFoundException, IOException, ParseException, ClassNotFoundException {
        
write();
read();
    }
//写数据
    public static void write() throws FileNotFoundException, IOException, ParseException{
    ObjectOutputStream oos=new ObjectOutputStream(new FileOutputStream("d:/object.txt"));
    
    oos.writeInt(90);
    oos.writeInt(-89);
    oos.writeDouble(Math.PI);
    oos.writeUTF("要是能重来我要选李白");
    List<Student>list=new ArrayList<Student>();
   list.add(new Student("张三那","1992-12-11", 60));
   list.add(new Student("张三feng","1987-12-11", 80));
    oos.writeObject(list);
   
    oos.close();
    }
public static void read() throws FileNotFoundException, IOException, ClassNotFoundException{
    ObjectInputStream ois=new ObjectInputStream(new FileInputStream("d:/object.txt"));
    System.out.println(ois.readInt());
    System.out.println(ois.readInt());
    System.out.println(ois.readDouble());
    System.out.println(ois.readUTF());

    List<Student> s=(List<Student>)ois.readObject();
for(Student ss:s){
    System.out.println(ss);
}
    ois.close();
    
}    
}