// "Replace with sum()" "true" import java.util.List; public class Main { public void testPrimitiveMap(List<String> data) { int sum; if(Math.random() > 0.5) { sum = 10; } else { sum = data.stream().filter(str -> str.startsWith("xyz")).mapToInt(String::length).filter(len -> len > 10).map(len -> len * 2).sum(); } System.out.println(sum); } }