What You’ll Discover in Dr Heinz M. Kabutz Refactoring to Java 8 Streams and Lambdas Online Self Study Workshop
He teaches Java He teaches courses in classrooms around world where his main objective is to Make sure none of his students go to sleep.
Dr Heinz M. Kabutz – Refactoring to Java 8 Streams and Lambdas Online Self- Study Workshop
Your instructor
Dr Heinz M. Kabutz
Dr Heinz M. Kabutz
Heinz Kabutz The author of The Java Specialists’ Newsletter, a publication enjoyed by tens of thousands of Java Experts in more than 145 countries. His book “Dynamic Proxies (in German)” was #1 Bestseller on Amazon.de in Fachbücher für Informatik for about five minutes until Amazon fixed their algorithm. Many thanks to He has sold five copies of the book thanks to his supportive mother.
Heinz’s Java Specialists’ newsletter is filled with amusing anecdotes of life on the Island of Crete. He is a frequent speaker at the best Java Conferences around the globe and Even at the worst. He teaches Java He teaches courses in classrooms all around the globe. His primary goal is to teach. to He will make sure that his students do not fall asleep. He isn’t always successful.
Course Curriculum
1. Welcome to the Age Of Monolithic Legacy
1.1 Welcome (1.12)
1.1.1 Slides
1.1.2 Exercises
1.2 Refactoring (3:48)
1.3 Setting up your IDE (6:14).
1.4 Building the OFBiz Project (6.32)
1.5 Analyzing Code for Refactoring IDEA (12.01)
2. Cleaning up Some Pre-Java 5 Dinosaur Code
2.1 Refactoring to Java 5 (2:04)
2.2 How to Get Rid of Unnecessary boxing:Unboxing (9.37)
2.3 Changing StringBuffer to StringBuilder (1:30).
2.4 String.contains() Instead of indexOf() (4:19)
2.5 Replace “for” Loop With Java 5-In (9:47).
2.6 Replace “while” Loop With Java 5-In (10:22).
3. Moving to Java 7, Our code is entering the Age of Mammals
3.1 Java 5 Refactorings8:18)
3.2 Java 7 Refactorings and Diamond Operator (5.18)
3.3 Java 7 Collapsing Try-Catch Blocks (2.38)
3.4 Java 7 Refactoring to Try-With-resource (13.11)
4. Fire is Discovered in Lambdas and Method References Java 8
4.1 Java 8 Static Methods for Interfaces (1.27)
4.2 Java 8 Interface Default Methods (2:04).
4.3 Functional Interfaces: How They Work (1.58)
4.4 Four Types of Method References (10.45)
4.5 Refactoring to Iterable.forEach() (4:41)
4.6 Refactoring to Use Collection.removeIf() (9:10)
5. Java 8 StreamsWe Are Moving Towards The Stone Age
5.1 Introduction to Java 8 Streams (4:43)
5.2 Stream map()Filter()Collect() (4:15)
5.3 Refactoring to Lambdas and Method References (9.54)
5.4 Comparators Java 8 (23:51)
5.5 Arrays.setAll() (1:59)
5.6 Single Map Methods getOrDefault()Fusion(), putIfAbsent() (7:47)
6. Refactoring Our Code to Use the map()/collect() The Bronze Age
6.1 Refactoring ContainerConfig.getContainerPropsFromXML() (3:24)
6.2 Collect() UtilCache.values() (1:58)
6.3 map():collect() in UtilDateTime.getTimeZones() (4:03)
6.4 Map():collect() in EntityJoinOperator.freeze() (1:35)
6.5 Collection.forEach() in EntityJoinOperator.visit() (0:21)
6.6 map():filter():collect() in EntitytFinderUtil.createCondition() (1:40)
6.7 map():filter():collect() in EntityDataLoader.getUrlByComponentList() (0:39)
6.8 Map():collect() DelegatorContainer() (1:09)
6.9 Map():sum() in OagisShipmentServices.oagisReceiveShowShipment() (4:20)
6.10 Arrays.setAll() in ShoppingListEvents.markCartItemsArray() (3:21)
7. Matching and Locating in StreamsOur Code is Nearing Iron Age
7.1 Stream all.any:noneMatch() (2:06)
7.2 AnyMatch() in MapContext.containsKey() (0:25)
7.3 AllMatch() FileUtil (1.43)
7.4 AllMatch() in EntityJoinOperator.isEmpty() (0:24)
7.5 AnyMatch() in ModelEntity.getHasFieldWithAuditLog() (0:43)
7.6 AllMatch() in ModelEntity.areFields() (0:16)
7.7 Collect() in ModelEntity.getFieldNamesFromFieldVector() (0:33)
7.8 AnyMatch() in ProductPromoWOrker.hasOrderTotalCondition() (2:16)
7.9 Stream.findFirst:Any (1:57)
7.10 FindFirst() MapContext.get() (4:34)
7.11 Create a Stream with Spliterator in FindFirst() in UtilObject.getObjectFromFactory() (3:38)
7.12 FindFirst() ModelRelation (0.58)
7.13 FindFirst() ShoppingCartItem (1.11)
7.14 FindFirst() in LoadSale.selectedSale() (4:47)
7.15 Optional in OrderReadHelper.getShippableSizes() (5:00)
8. Finally, we enter the Information Age (but a monolithic one)
8.1 distinct() in PaymentGatewayServices.capturePaymentsByInvoice() (3:23)
8Filter:.2():collect() in ContainerConfig.getPropertiesWithValue() (2:27)
8Map.3():sum() in UtilCache.getSizeInBytes() (4:23)
8.4 Deep Refactoring in UtilMisc.LocaleHolder.getAvailableLocaleList() (12:22)
8Filter:.5():map():collect() in ModelGroupReader.getEntityNamesByGroup() (1:01)
8.6 map():reduce() in InvoiceServices.updatePaymentApplicationDefBd() (3:41)
8.7 Collectors.groupingBy() in ModelReader.rebuildResourceHandlerEntities() (4:58)
8.8 groupingBy():Checked Exception with ModelReader.getEntitiesByPackage() (13:42)
8.9 Creating Own Spliterator for NodeELResolver.getValue() (6:27)
8.10 Final Conclusion (1:11).
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