Object Input Output Stream

import java.io.Serializable;
import static java.lang.System.out;
// ObjectInputStream / ObjectOutputStream 예제

public class  Employee implements Serializable  //객체를 저장하기위해 반드시 구현
{
	String name;
	int age;
	transient int salary;

	public Employee() {
	}
	public Employee(String n, int a, int s)  {
		name=n; age=a; salary=s;
	}
	public void print() {
		out.println("---------Record for" +name+"--------");
		out.println(" Name: "  +name);
		out.println(" Age: "  +age);
		out.println(" : "  +salary);
	}
}////////////////////////////////////////////////////////////////////
import java.io.*;
import java.awt.*;
import java.util.*;

// 기능 : 객체를 파일로 저장
class  SaveEmp
{
	public static void main(String[] args) throws IOException
	{
		Employee e1=new Employee("홍길동", 22, 3000);
		Employee e2=new Employee("임꺽정", 33, 4000);

		String fileName="obj.ser";
		FileOutputStream fos =new FileOutputStream(fileName);
		ObjectOutputStream oos = new ObjectOutputStream(fos);
		//DataOutput인터페이스를 구현하고 있는 스트림.
		oos.writeObject(e1);
		oos.writeObject(e2);
		oos.writeObject(new Date());
		Frame f=new Frame("오브젝트 스트림");
		oos.writeObject(f);
		oos.flush();
		oos.close();
		fos.close();
	}//main()-----------
}//////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
import java.io.*;
import java.awt.*;
import java.util.*;

// 기능 : 객체를 파일로 저장
class  ReadEmp
{
	public static void main(String[] args) throws Exception
	{
		FileInputStream fis=new FileInputStream("obj.ser");
		ObjectInputStream ois=new ObjectInputStream(fis);

		Object o1=ois.readObject();
		Employee e1=(Employee)o1;
		Employee e2=(Employee)ois.readObject();

		Date d=(Date)ois.readObject();
		Frame f=(Frame)ois.readObject();

		e1.print();
		e2.print();
		System.out.println("저장된 객체 시간:"+d.toString());
		System.out.println("현재 시간:"+new Date().toString());

		f.setSize(200,200);
		f.setVisible(true);

		fis.close();
		ois.close();
	}
}