// "Collapse loop with stream 'collect()'" "true-preview" package com.google.common.collect; import java.util.*; import java.util.stream.Collectors; import java.util.stream.IntStream; class Lists { public static ArrayList newArrayList() { return new ArrayList(); } } public class Test { public void test() { List list = IntStream.range(0, 10).filter(i -> i % 2 == 0).mapToObj(String::valueOf).collect(Collectors.toList()); System.out.println(list); } }