[Java]物件IO及序列化

package iotest;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.Serializable;

public class ObjectOutputStream  {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		studentGrade stu1 = new studentGrade(80,80,80);
		
		try {
			ObjectOutputStream oout = new ObjectOutputStream(new FileOutputStream("./newfolder/student.dat"));
			oout.writeObject(stu1);
			oout.flush();
			oout.close();
			System.out.println("OK1");
//			FileOutputStream fout = new FileOutputStream("./newfolder/ObjectOutput");
		} catch (FileNotFoundException e) {
			System.out.println("Ex2");
		}
		
		try {
			ObjectInputStream oin = new ObjectInputStream(new FileInputStream("./newfolder/student.dat"));
			studentGrade stu2 = (studentGrade)oin.readObject(); //解序列化

			System.out.println(stu2.chinese); 
			System.out.println(stu2.english);
			System.out.println(stu2.math);
			//System.out.println(s4.getAvg());
			
			oin.close();
			System.out.println("OK2");
		} catch (Exception e) {
			System.out.println("Ex2");
		}

	}

}

class studentGrade implements Serializable{ //如果沒實作序列化則不行使用ObjectIO類別輸出
	
	int chinese,math,english;
	transient int creature; //可特別將此屬性不序列化
	studentGrade(int a,int b,int c){
		chinese = a; math =b ; english =c; 
	}
}