// "Collapse loop with stream 'sum()'" "true-preview" import java.util.List; public class Main { public void testPrimitiveMap(List 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); } }