package java8;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Date;

import java.util.List;

import java.util.stream.Stream;

public class ParallelismLesson {

public static void main(String[] args) {

Stream<String> stream = Stream.of("1","2").parallel();

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

list.parallelStream();

List<Integer> list2 = new ArrayList<>();

for (int i = 0; i < 10_000_000; i++) {

list2.add(i);

list2.add(10_000_000 - i);

}

System.out.println(new Date());

// list2.stream().parallel().filter(x -> x%2 == 0).map(x -> new Double(x)).forEach(x -> x.toString());

list2.stream().sorted().count();

System.out.println(new Date());

List<Integer> list3 = new ArrayList<>();

list3.add(6);

list3.add(4);

list3.add(2);

list3.add(3);

list3.add(2);

list3.add(5);

List<Stud> list4 = new ArrayList<>();//LinkedList

list4.add(new Stud("Max"));

list4.add(new Stud("Mike"));

System.out.println(new Date().getTime());

list4.stream().map(Stud::getName).count();

System.out.println(new Date().getTime());

int size = 10;

double[] values = new double[size];

for(int i = 0; i < values.length;i++) {

values[i] = i;

}

double[] values2 = new double[size];

Arrays.parallelSetAll(values2, i -> i);

List<Integer> studs = new ArrayList<>();

for (int i = 0; i < 10_000; i++) {

studs.add(i);

}

studs.stream().forEach(x -> System.out.println(x));

}

}

class Stud {

String name;

String surname;

public Stud(String name) {

this.name = name;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getSurname() {

return surname;

}

public void setSurname(String surname) {

this.surname = surname;

}

}