m

pl/java/features/stream/gatherer.txt

@@ -1 +1,31 @@
 https://openjdk.org/jeps/461
+
+2024
+CodeWiz - Stream Gatherers 0:00 of 16:56
+    https://www.youtube.com/watch?v=qBcuOCzvS3Y
+        public static <T> Gatherer<T, List<T>, List<T>> getFixedWindowGatherer(int limit) {
+          Supplier<List<T>> initializer = ArrayList::new;
+          Gatherer.Integrator<List<T>, T, List<T>> integrator = (state, element, downstream) -> {
+            state.add.element(element);
+            if (state.size() == limit) {
+              var group = List.copyOf(state);
+              downstream.push(group);
+              state.clear();
+            }
+            return true; // can consume more
+          };
+          BiConsumer<List<T>, Gatherer.Downstream<? super List<T>>> finisher = (state, downstream) -> {
+            if (!state.isEmpty()) {
+              downstream.push(List.copyOf(state));
+            }
+          };
+          return Gatherer.ofSequential(initializer, integrator, finisher);
+        }
+
+        List<List<...>> employeePairList = employees.stream()
+          .filter(...)
+          .map(Employee::name)
+          .gather(getFixedWindowGatherer(2))
+          .toList(); // [[Alice, Mary], [John, Ramesh], [Jen]]
+
+      // standard Gatherers: windowFixed, fold, scan, mapConcurrent, windowSliding

pl/java/tools/shell/jbang/docs/presentations.txt

@@ -1,3 +1,7 @@
+2024
+Devoxx - jbang - Unleash the power of Java by Max Rydahl Andersen of 31:34
+    https://www.youtube.com/watch?v=cpKwBbz1sf0
+    ! catalog, edit, junit, ?profile
 2021
 Anderson - JBang: let's make Java fun to use again! 44:00 of 1:18:02
     https://www.youtube.com/watch?v=5Gf1Dswl-gs