import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import java.util.stream.Collectors;

/**

* @Author xiongyx

* on 2019/3/5.

*/

public class TestJDKStream {

public static void main(String[] args){

List<String> teamIndia = Arrays.asList("11", "12", "13");

List<String> teamAustralia = Arrays.asList("21", "22", "23","24");

List<String> teamEngland = Arrays.asList("31", "32", "33");

List<String> teamNewZeland = Arrays.asList("41", "42", "43");

List<String> teamSouthAfrica = Arrays.asList("52", "53");

List<List<String>> playersInWorldCup2016 = new ArrayList<>();

playersInWorldCup2016.add(teamIndia);

playersInWorldCup2016.add(teamAustralia);

playersInWorldCup2016.add(teamEngland);

playersInWorldCup2016.add(teamNewZeland);

playersInWorldCup2016.add(teamSouthAfrica);

// Now let's do this in Java 8 using FlatMap

playersInWorldCup2016.stream()

.flatMap(pList -> pList.stream())

.filter(item->item.endsWith("4"))

.limit(3)

.peek(System.out::println)

.collect(Collectors.toList())

.forEach(System.out::println);

Runnable r = ()->{};

}

}