package lab2;

public class IteratorTablicowy implements Iterator {


	Student [] tablica;
	final int pierwszy;
	final int ostatni;
	int biezacy=-1;


	public IteratorTablicowy(Student[] tab)
	{ tablica=tab;
		pierwszy=0;
	ostatni=tablica.length-1;
	}
	@Override
	public void first() {
		// TODO Auto-generated method stub
		biezacy=pierwszy;

	}

	@Override
	public void last() {
		// TODO Auto-generated method stub
		biezacy=ostatni;
	}

	@Override
	public void next() {
		// TODO Auto-generated method stub
		++biezacy;
	}

	@Override
	public void previous() {
		// TODO Auto-generated method stub
		--biezacy;
	}

	@Override
	public boolean isDone() {
		// TODO Auto-generated method stub
		return biezacy < pierwszy || biezacy > ostatni;
	}

	@Override
	public Student current() {
		// TODO Auto-generated method stub
		return (Student) tablica [ biezacy ];
	}

}