package lambda_expression.unit3;

import java.util.Arrays;

import java.util.List;

import lambda_expression.unit1.Person;

public class StreamExample1 {

public static void main(String[] args) {

List<Person> people = Arrays.asList(new Person("Charles", "Dickens", 60), new Person("Lewis", "Carroll", 42),

new Person("Thomas", "Carlyle", 51), new Person("Charlotte", "Bronte", 45),

new Person("Matthew", "Arnold", 39));

people.stream()

.filter(p-> p.getLastName().startsWith("C"))

.forEach(p -> System.out.println(p.getFirstName()));

long count = people.stream()

.filter(p-> p.getLastName().startsWith("D"))

.count();

System.out.println(count);

long count2 = people.parallelStream()

.filter(p-> p.getLastName().startsWith("D"))

.count();

System.out.println(count);

System.out.println(count2);

}

}