//tirgul4_1
//Fibumcii.java
//create first 100 Fiboncii numbers

import java.util.*;
import java.io.*;

class Fiboncii{

	ArrayList fibo;

	//constructor
	Fiboncii(){

		fibo = new ArrayList();

		int count =0;
		int a1 = 1;
		int a2 = 1;
		int a3;


		//insert first two
		Integer inti = new Integer(a1);

		fibo.add(inti);

		inti = new Integer(a2);

		fibo.add(inti);

		for(count=2; count<=100 ; count++){

			a3 =a1 + a2;

			a1 = a2;
			a2 = a3;

			inti = new Integer(a3);

			fibo.add(inti);
		}
	}

	//write serializable
	void writeSer(){
		try{
			FileOutputStream fout = new FileOutputStream("ser_file");
			ObjectOutputStream oout = new ObjectOutputStream(fout);

			oout.writeObject(fibo);

			oout.close();
		}catch(IOException e){
			System.err.println("During write: "+e);
		}
	}

	//write to DataOutputStream
	void writeDat(){

		try{
			FileOutputStream fout = new FileOutputStream("dat_file");
			DataOutputStream dout = new DataOutputStream(fout);

			int i = 0;

			for(i=0;i<100;i++){
				int inti = ((Integer)fibo.get(i)).intValue();

				dout.writeInt(inti);
			}

			dout.close();
		}catch(IOException e){
			System.err.println("During write: "+e);
		}
	}

	void readFromSer(){

		try{

			FileInputStream fin = new FileInputStream("ser_file");
			ObjectInputStream oin = new ObjectInputStream(fin);

			ArrayList array = (ArrayList)oin.readObject();

			System.out.println(array);

		}catch(IOException e){
			System.err.println("During read: "+e);
		}catch(ClassNotFoundException e){
			System.err.println("During read: "+e);
		}
	}

	public static void main(String [] args){

		Fiboncii fib = new Fiboncii();

		fib.writeSer();
		fib.writeDat();
		fib.readFromSer();
	}
}