l.add(lol.new st(1));
		l.add(lol.new st(2));
		l.add(lol.new st(3));

		ListIterator<st> it=l.listIterator(0);
		it.next().setval(123);
		it.next().setval(321);
		it.next();
		it.set(lol.new st(1337));