package lista1;


public class Pracownik implements java.io.Serializable{

	String n;
	String i;
	long p;
	int s;
	double pn;

	Pracownik (String n, String i, long p, int s, double pn) {
		this.n = n;
		this.i = i;
		this.p = p;
		this.s = s;
		this.pn = pn;
	}

	void wyswietl () {
		System.out.printf("| %-15s | %-15s | %11d | %4d | %9.2f | %n", n, i, p, s, pn);
	} //do tabeli

	public String toString () {
		return String.format("%-15s %-15s %11d %4d %9.2f %n", n, i, p, s, pn);
	}

}



package lista1;

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

public class Main {

	Pracownik [] tab;

	Main () {
		String t1 = "Liczba pracownikow: ";
		Scanner sc = new Scanner (new BufferedReader (
				new InputStreamReader(System.in)));
		System.out.print(t1);
		while (!sc.hasNextInt()) {
			System.out.print(t1);
			sc.next();
		} //while
		tab = new Pracownik[sc.nextInt()];
	} //Main konstruktor


	Pracownik prac () {
		String tn = "Nazwisko: ";
		String ti = "Imie: ";
		String tp = "PESEL: ";
		String ts = "Staz: ";
		String tpn = "Pensja: ";

		Scanner sc = new Scanner (new BufferedReader (
				new InputStreamReader (System.in)));
		System.out.print(tn);
		String n = sc.next();
		System.out.print(ti);
		String i = sc.next();
		System.out.print(tp);
		while (!sc.hasNextLong()) {
			System.out.print(tp);
			sc.next();
		}
		long p = sc.nextLong();
		System.out.print(ts);
		while (!sc.hasNextInt()) {
			System.out.print(ts);
			sc.next();
		}
		int s = sc.nextInt();
		System.out.print(tpn);
		while (!sc.hasNextDouble()) {
			System.out.print(tpn);
			sc.next();
		}
		double pn = sc.nextDouble();
		return new Pracownik (n,i,p,s,pn);
	} //stworzenie pracownika


	void dodaj () {
		for (int i = 0; i < tab.length; i++) {
			tab[i] = prac();
		}
	} //dodaj

	void tabela () {
		for (int i = 0; i < 70; i++) System.out.print("-");
		System.out.println();
		System.out.printf("| %-15s | %-15s | %-11s | %-4s | %-9s | %n",
				"Nazwisko", "Imie", "Pesel", "Staz", "Pensja");
		for (int i = 0; i < 70; i++) System.out.print("-");
		System.out.println();
		for (int i = 0; i < tab.length; i++) tab[i].wyswietl();
		System.out.println();
	} //tabela

	void doPliku () {
		File f = new File ("plik");
		try {
			ObjectOutputStream oos = new ObjectOutputStream (new FileOutputStream(f));
			oos.writeInt(tab.length);
			for (int i = 0; i < tab.length; i++) oos.writeObject(tab[i]);
			oos.close();
		} catch (IOException io) { System.out.println("Blad z zapisem");
		}
	}

	void zPliku () {
		try {
			ObjectInputStream ois = new ObjectInputStream (new FileInputStream("plik"));
			Pracownik tab2 [] = new Pracownik [ois.readInt()];
			for (int i = 0; i < tab2.length; i++) {
				tab2[i] = (Pracownik) ois.readObject();
				System.out.print(tab2[i].toString());
			}
			ois.close();
		} catch (ClassNotFoundException cn) { System.out.println("Blad z klasa");
		} catch (IOException io) { System.out.println("Blad z odczytem");
		}
	}

	public static void main (String [] args)  {
		Main x = new Main ();
		x.dodaj();
		x.tabela();
		x.doPliku();
		x.zPliku();
	} //main

} //class main