import java.util.ArrayList;

import java.util.List;

import java.util.stream.Collectors;

import java.util.stream.Stream;

public class Demo {

int id;

String name;

float price;

public Demo() {}

public Demo(int id, String name, float price) {

this.id = id;

this.name = name;

this.price = price;

}

public static void acceptConsumer(Demo i) {

System.out.println(i.id + i.name + i.price);

}

public static void main(String args[]){

List<Demo> productsList = new ArrayList<Demo>();

productsList.add(new Demo(1,"HP Laptop",25000f));

productsList.add(new Demo(2,"Dell Laptop",30000f));

productsList.add(new Demo(3,"Lenevo Laptop",28000f));

productsList.add(new Demo(4,"Sony Laptop",28000f));

productsList.add(new Demo(5,"Apple Laptop",90000f));

Stream<Float> productPriceList2 =productsList.stream()

.filter(p -> p.price > 30000)// filtering data

.map(p->p.price); // fetching price

// .collect(Collectors.toList()); // collecting as list

System.out.println(productPriceList2.collect(Collectors.toList()));

Stream.iterate(10, element -> element+1).filter(e -> e%2 == 0).limit(5).forEach(System.out::println);

List list = new ArrayList();

productsList.forEach(Demo::acceptConsumer);

}

}