对象输入输出流

package ObjectIO;

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.util.ArrayList;
import java.util.List;

public class ObjectDemo {
	public static void main(String[] args) throws  IOException, ClassNotFoundException {
		//method();
		ObjectInputStream ois = new ObjectInputStream(new FileInputStream("e.txt"));
		Object obj = ois.readObject();
		ArrayList<Student> s =(ArrayList<Student>) obj;
		for (Student student : s) {
			System.out.println(student);
		}
		ois.close();
		
	}

	private static void method() throws IOException, FileNotFoundException {
		ObjectOutputStream ojs = new ObjectOutputStream(new FileOutputStream("e.txt"));
		Student s1 = new Student("zhangsan",20);
		Student s2 = new Student("lisi",18);
		Student s3 = new Student("wangwui",17);
		
		ArrayList<Student> list = new ArrayList<Student>();
		list.add(s1);
		list.add(s2);
		list.add(s3);
		ojs.writeObject(list);
		
		ojs.close();
	}
}