Index: streams/src/main/java/org/apache/kafka/streams/kstream/TimeWindows.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- streams/src/main/java/org/apache/kafka/streams/kstream/TimeWindows.java	(revision f62bcac1e6c6ed04a35699062807317e74b938d9)
+++ streams/src/main/java/org/apache/kafka/streams/kstream/TimeWindows.java	(revision )
@@ -20,6 +20,7 @@
 import org.apache.kafka.streams.processor.TimestampExtractor;
 
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 
 /**
@@ -105,7 +106,7 @@
     @Override
     public Map<Long, TimeWindow> windowsFor(final long timestamp) {
         long windowStart = (Math.max(0, timestamp - sizeMs + advanceMs) / advanceMs) * advanceMs;
-        final Map<Long, TimeWindow> windows = new HashMap<>();
+        final Map<Long, TimeWindow> windows = new LinkedHashMap<>();
         while (windowStart <= timestamp) {
             final TimeWindow window = new TimeWindow(windowStart, windowStart + sizeMs);
             windows.put(windowStart, window);