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    1.1 Welcome
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    1.2 Refactoring
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    1.3 Setting Up Your IDE
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    1.4 Building the OFBiz Project
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    1.5 Analyzing Code for Refactoring in IDEA
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    2.1 Refactoring to Java 5
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    2.2 Getting Rid of Unnecessary Boxing:Unboxing
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    2.3 Changing StringBuffer to StringBuilder
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    2.4 String.contains() instead of indexOf()
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    2.5 Replace 'for' Loop With Java 5 for-in
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    2.6 Replace 'while' Loop With Java 5 for-in
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    3.1 More Java 5 Refactorings
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    3.2 Java 7 Refactorings, Diamond Operator
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    3.3 Java 7 Collapsing try-catch Blocks
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    3.4 Java 7 Refactoring to try-with-resource
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    4.1 Java 8 Static Methods in Interfaces
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    4.2 Java 8 Default Methods in Interfaces
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    4.3 How Functional Interfaces Work
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    4.4 The Four Types of Method References
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    4.5 Refactoring to Iterable.forEach()
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    4.6 Refactoring to use Collection.removeIf()
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    5.1 Introduction to Java 8 Streams
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    5.2 Stream map(), filter(), collect()
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    5.3 Refactoring to Lambdas and Method References
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    5.4 Comparators in Java 8
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    5.5 Arrays.setAll()
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    5.6 Single Map Methods getOrDefault(), merge(), putIfAbsent()
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    6.1 Refactoring ContainerConfig.getContainerPropsFromXML()
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    6.2 collect() in UtilCache.values()
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    6.3 map():collect() in UtilDateTime.getTimeZones()
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    6.4 map():collect() in EntityJoinOperator.freeze()
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    6.5 Collection.forEach() in EntityJoinOperator.visit()
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    6.6 map():filter():collect() in EntitytFinderUtil.createCondition()
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    6.7 map():filter():collect() in EntityDataLoader.getUrlByComponentList()
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    6.8 map():collect() in DelegatorContainer.start()
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    6.9 map():sum() in OagisShipmentServices.oagisReceiveShowShipment()
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    6.10 Arrays.setAll() in ShoppingListEvents.markCartItemsArray()
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    7.1 Stream all:any:noneMatch()
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    7.2 anyMatch() in MapContext.containsKey()
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    7.3 allMatch() in FileUtil
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    7.4 allMatch() in EntityJoinOperator.isEmpty()
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    7.5 anyMatch() in ModelEntity.getHasFieldWithAuditLog()
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    7.6 allMatch() in ModelEntity.areFields()
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    7.7 collect() in ModelEntity.getFieldNamesFromFieldVector()
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    7.8 anyMatch() in ProductPromoWOrker.hasOrderTotalCondition()
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    7.9 Stream.findFirst:Any
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    7.10 findFirst() in MapContext.get()
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    7.11 Creating Stream from Spliterator in findFirst() in UtilObject.getObjectFromFactory()
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    7.12 findFirst() in ModelRelation
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    7.13 findFirst() in ShoppingCartItem
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    7.14 findFirst() in LoadSale.selectedSale()
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    7.15 Optional in OrderReadHelper.getShippableSizes()
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    8.1 distinct() in PaymentGatewayServices.capturePaymentsByInvoice()
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    8.2 filter():collect() in ContainerConfig.getPropertiesWithValue()
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    8.3 map():sum() in UtilCache.getSizeInBytes()
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    8.4 Deep Refactoring in UtilMisc.LocaleHolder.getAvailableLocaleList()
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    8.5 filter():map():collect() in ModelGroupReader.getEntityNamesByGroup()
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    8.6 map():reduce() in InvoiceServices.updatePaymentApplicationDefBd()
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    8.7 Collectors.groupingBy() in ModelReader.rebuildResourceHandlerEntities()
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    8.8 groupingBy():Checked Exception with ModelReader.getEntitiesByPackage()
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    8.9 Creating Own Spliterator for NodeELResolver.getValue()
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    8.10 Conclusion