Java-Advanced/functional/PredicateEx2.java at master · janbodnar/Java-Advanced · GitHub

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package com.zetcode;

import java.util.List;

import java.util.function.Predicate;

import java.util.stream.Collectors;

public class PredicateEx2 {

public static void main(String args[]) {

List<Integer> list = List.of(1, 2, 3, 4, 5, 6, 7,

8, 9, 10, 11, 12);

List<Integer> all = eval(list, n -> true);

System.out.println(all);

List<Integer> evenValues = eval(list, n -> n % 2 == 0);

System.out.println(evenValues);

List<Integer> greaterThanSix = eval(list, n -> n > 6);

System.out.println(greaterThanSix);

}

private static List<Integer> eval(List<Integer> values,

Predicate<Integer> predicate) {

return values.stream().filter(predicate)

.collect(Collectors.toList());

}

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