package algus;

import java.util.function.Supplier;
import java.util.stream.Stream;

public class PikkVoog1 {
	static class PaarisarvudeLooja implements Supplier<Integer>{
        int loendur=0;
        public PaarisarvudeLooja(){
        	this(0);
        }
        public PaarisarvudeLooja(int algus){
        	loendur=algus/2;
        }
		@Override
		public Integer get() {
			return 2*loendur++;
		}
		
	}

	public static void main(String[] args) {
		Stream.generate(() -> 7).limit(3).forEach(System.out::println);
		Stream.generate(new PaarisarvudeLooja()).limit(3).forEach(System.out::println);
		Stream.generate(new PaarisarvudeLooja(100)).limit(3).forEach(System.out::println);
		Stream.iterate(0, a -> a+2).limit(4).forEach(System.out::println);
		
	}

}