{"title":"Pro","description":null,"products":[{"product_id":"origin-library","title":"Origin Library","description":"\u003cp\u003e\u003cspan\u003e\u003cb\u003e1. Problem Statement\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStruggling to organize larger sets of data within a Java program? You’re not alone when arrays no longer suit the requirements of a new task. Lists, sets, and key-value structures follow different rules, which can make selecting a suitable structure confusing. Additional challenges appear when information must be searched, sorted, filtered, or stored in files. Without a considered approach, code may contain repeated loops, unnecessary checks, and inconsistent record processing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e2. Solution\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis course will teach you how to work with common Java collections and select a structure for a stated task. You will study ways to add, remove, locate, sort, and group objects. The materials explain how functional structures can support consistent data processing. Dedicated modules cover reading, writing, and validating information stored in files. Applied assignments combine collections, methods, exceptions, and file operations within one organized program model.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3. What’s Inside\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 1: Choosing a Collection\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCompare lists, sets, and key-value structures, then identify which collection suits different storage and lookup requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 2: Managing List Data\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAdd, update, remove, and locate elements, work with indexes, and check the current state of a list.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 3: Unique Values and Key-Based Records\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eStore non-repeated values, locate records through keys, and determine whether required information is present.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 4: Sorting and Comparison Rules\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCreate object comparison rules, sort records by several properties, and review the resulting order.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 5: Functional Data Processing\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eWork with lambda expressions, method references, and operation chains for filtering, changing, counting, and grouping information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 6: Reading and Writing Files\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCreate files, read text entries, write processed results, and close file operations in an organized way.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 7: Validation and Error Handling\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCheck the structure of received data, handle missing or invalid values, and create informative messages for different situations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 8: Data Library Project\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuild a program that stores, locates, sorts, filters, and writes a collection of related objects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e4. Who Is This For?\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✅ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThis tier may suit you if you:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ehave already worked with classes, methods, and exceptions;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewant to organize groups of objects more carefully;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewould like to compare several collection types;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewant to process and store information in files;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare ready for assignments with several connected stages.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e❌ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThis tier may not match your needs if you:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ehave not yet studied objects and methods;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare looking only for introductory Java syntax;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003edo not plan to work with collections or file-based information.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e5. What You’ll Learn\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter completing the materials, you will be able to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eselect a collection for a defined scenario;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eadd, update, and remove stored objects;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003elocate records by index, value, or key;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003estore non-repeated elements;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003esort objects by at least two properties;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003efilter and group sets of information;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ecreate processing chains with several operations;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eread information from at least one file;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewrite program results into a file;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ecomplete at least eight topic-based exercises;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ebuild a final program using several collection types.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e6. Refund Terms\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA refund request for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOrigin Library\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e may be submitted within 30 calendar days of the order date. Requests are reviewed according to the store refund policy in effect when the course was purchased. The policy may describe the submission procedure, review period, and specific exceptions. Learners should read the complete store policy before placing an order.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e7. Certificate\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLearners may receive a Javoryx certificate after completing all modules and required assignments included in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOrigin Library\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The certificate confirms completion of the course materials but does not represent a diploma, licence, or occupational qualification.\u003c\/span\u003e\u003c\/p\u003e","brand":"Javoryx","offers":[{"title":"Default Title","offer_id":58281696461135,"sku":null,"price":297.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1026\/4595\/6943\/files\/Origin.jpg?v=1784700166"},{"product_id":"vault-framework","title":"Vault Framework","description":"\u003cp\u003e\u003cspan\u003e\u003cb\u003e1. Problem Statement\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStruggling to maintain a Java program as the number of classes, operations, and connections continues to grow? You’re not alone when moving beyond collections, files, and models containing several components. Individual methods may work as intended while unclear dependencies still make the complete program difficult to change. Further challenges appear when several tasks modify shared information or run at the same time. Without a considered component structure, reviewing behaviour, locating errors, and updating one part without affecting others becomes more difficult.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e2. Solution\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis course will teach you how to divide a Java program into connected components with separate responsibilities. You will examine ways to reduce direct dependencies between classes and pass information through defined interaction points. The materials explain how to check method behaviour with prepared scenarios and expected results. Dedicated modules cover execution threads, shared resources, and control over operation order. The final assignment combines modular structure, test scenarios, exception handling, and concurrent tasks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e3. What’s Inside\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 1: Dividing Program Responsibilities\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIdentify which tasks belong in separate classes and divide mixed operations into components with clearly stated roles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 2: Dependencies Between Components\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003ePass required objects between classes, reduce direct dependencies, and replace internal components without rewriting the complete program.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 3: Testing Program Behaviour\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCreate scenarios with input data, expected results, and checks for methods that perform calculations or update stored state.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 4: Testing Exceptions and Edge Cases\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReview program responses to empty values, incorrect formats, missing records, and other boundary situations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 5: Introduction to Concurrent Tasks\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eStudy execution threads, start several tasks, and observe the order in which operations begin and finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 6: Shared Data and Synchronization\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eExamine issues caused by simultaneous data changes and apply controls to operations involving shared resources.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 7: Task Coordination\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eWait for operations to finish, pass results between tasks, and handle exceptions that appear during concurrent execution.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 8: Modular Processing Project\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuild a program with separate components for receiving, validating, processing, and storing information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e4. Who Is This For?\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✅ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThis tier may suit you if you:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ehave already worked with collections, files, and exceptions;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewant to distribute responsibilities between components;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewould like to check method behaviour through defined scenarios;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewant to study concurrent task execution;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare prepared to analyze interactions between several program parts.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e❌ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThis tier may not match your needs if you:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ehave not yet created programs containing several classes;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare looking for introductory explanations of variables and loops;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003edo not plan to work with test scenarios or shared data.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e5. What You’ll Learn\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter completing the materials, you will be able to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003edivide a program into components with stated roles;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ereduce direct dependencies between classes;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003epass components through constructors and methods;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ecreate at least ten behaviour-checking scenarios;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ecompare actual and expected results;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003echeck exceptions and boundary cases;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003estart several independent tasks;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003econtrol updates to shared information;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ecoordinate the completion of concurrent operations;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ebuild a final program containing at least six connected components.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e6. Refund Terms\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA refund request for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVault Framework\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e may be submitted within 30 calendar days of the order date. Requests are reviewed according to the store refund policy published when the course was purchased. The policy describes the submission procedure, possible exceptions, and review period. Learners should read the complete terms before placing an order.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e7. Certificate\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLearners may receive a Javoryx certificate after completing all modules and required assignments included in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVault Framework\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The certificate confirms completion of the course materials but does not represent a diploma, licence, or occupational qualification.\u003c\/span\u003e\u003c\/p\u003e","brand":"Javoryx","offers":[{"title":"Default Title","offer_id":58281700360527,"sku":null,"price":396.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1026\/4595\/6943\/files\/Vault.jpg?v=1784700166"},{"product_id":"layer-framework","title":"Layer Framework","description":"\u003cp\u003e\u003cspan\u003e\u003cb\u003e1. Problem Statement\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStruggling to decide where data rules, validation, and storage operations should be placed in a Java program? You’re not alone when a program begins to contain many classes and connected processes. One component may receive information, validate it, complete calculations, and store the result at the same time. This structure can cause one change to affect several code areas and make the source of an error harder to identify. Without separate layers, testing individual operations and following the direction of information through the program becomes more difficult.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e2. Solution\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis course will teach you how to divide a Java program into layers with defined responsibilities. You will create separate components for representing data, applying rules, storing records, and preparing results. The materials demonstrate how information can move between layers without mixing their internal responsibilities. You will also work with value validation, object conversion, and the replacement of a storage component without changing the central processing logic. An applied project brings these layers together within one consistent structure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e3. What’s Inside\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 1: Understanding Program Layers\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReview the purpose of separate layers and decide which operations belong to models, services, repositories, and external interaction components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 2: Domain Models\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCreate classes that describe central entities, stored state, and rules for changing information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 3: Repository Structure\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAdd, locate, update, and remove records through a separate storage component.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 4: Service Logic\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eOrganize calculations, validation steps, and sequences of connected operations within service classes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 5: Data Validation\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eWrite rules for checking text, numeric, and combined values before they are processed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 6: Object Mapping\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConvert information between internal models and objects used for input or result presentation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 7: Layer Testing\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003ePrepare separate scenarios for services and repositories with controlled input values and stated expected results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 8: Layered Java Project\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuild a program containing models, a repository, services, validation rules, and result preparation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e4. Who Is This For?\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✅ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThis tier may suit you if you:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ehave already created programs with several components;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewant to separate processing logic, data, and storage operations;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewould like to test program parts independently;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare ready to work with a layered structure.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e❌ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThis tier may not match your needs if you:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eare beginning with introductory Java syntax;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ehave not yet worked with classes, collections, and exceptions;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare looking for materials without an applied project.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e5. What You’ll Learn\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter completing the materials, you will be able to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003edistribute responsibilities between program layers;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ecreate models with defined state rules;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eseparate storage operations from data processing;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ebuild service classes for connected processes;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003evalidate information before using it;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003emap information between different object forms;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ereplace a repository implementation without editing service logic;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ecreate at least twelve checking scenarios;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ebuild a program containing at least four separate layers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e6. Refund Terms\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA refund request for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLayer Framework\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e may be submitted within 30 calendar days of the order date. Requests are reviewed under the store refund policy published when the course was purchased. The complete policy describes the submission procedure, review period, and possible exceptions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e7. Certificate\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLearners may receive a Javoryx certificate after completing all modules and required assignments included in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLayer Framework\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It confirms completion of the course materials but does not represent a diploma, licence, or occupational qualification.\u003c\/span\u003e\u003c\/p\u003e","brand":"Javoryx","offers":[{"title":"Default Title","offer_id":58281703965007,"sku":null,"price":503.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1026\/4595\/6943\/files\/Layer.jpg?v=1784700167"},{"product_id":"echo-framework","title":"Echo Framework","description":"\u003cp\u003e\u003cspan\u003e\u003cb\u003e1. Problem Statement\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStruggling to coordinate many components in a Java program without creating too many direct connections? You’re not alone when moving from a layered structure to systems containing several independent processes. One component may require the result of another, while repeated direct calls can gradually create a complicated network of dependencies. Further difficulties appear when information is processed asynchronously, events arrive in different orders, and individual operations may end with an exception. Without defined interaction rules, following data movement, reviewing system behaviour, and replacing separate components becomes more difficult.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e2. Solution\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis course will teach you how to plan Java programs in which components exchange information through events and defined communication channels. You will examine ways to separate the source of an event from the components that respond to it. The materials explain how to organize asynchronous operations, combine their results, and handle exceptions at different stages. Dedicated modules cover event logging, state control, and the testing of communication between components. The final project combines layered structure, repositories, services, events, and concurrent tasks within one integrated system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e3. What’s Inside\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 1: Planning Component Communication\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDefine component roles, data directions, and the points at which separate program parts need to exchange messages.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 2: Event-Based Interaction\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCreate, send, and process events through several components without directly connecting every class to all other classes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 3: Publishers and Listeners\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuild components that create messages and separate handlers that respond according to their assigned responsibilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 4: Asynchronous Processing\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eWork with operations that run independently, return results later, and connect within ordered processing chains.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 5: State and Data Consistency\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eControl state updates, review operation order, and reduce conflicting changes to shared information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 6: Logging and Traceable Events\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eRecord important execution stages, store technical information, and follow the path of an event through several components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 7: Testing Component Interaction\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003ePrepare scenarios that check event delivery, handler responses, asynchronous results, and behaviour during exceptions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModule 8: Integrated Java System\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuild a final system containing models, repositories, services, events, asynchronous processing, and event logging.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e4. Who Is This For?\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✅ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThis tier may suit you if you:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ehave already worked with layered programs;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eunderstand classes, interfaces, collections, and exceptions;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewant to reduce direct dependencies between components;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewould like to organize event-based communication;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare ready to work with asynchronous operations;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewant to build a complete multi-component project.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e❌ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eThis tier may not match your needs if you:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eare beginning your Java Programming studies;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ehave not yet created programs with separate services and repositories;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare looking for a brief overview without an extended assignment;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003edo not plan to work with concurrent processes or component interaction.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e5. What You’ll Learn\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter completing the materials, you will be able to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eplan communication between several components;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003edefine custom event types;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eseparate components that publish and process messages;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003econnect several handlers to one event;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003erun asynchronous operations and receive their results;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ecombine several related asynchronous tasks;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ehandle exceptions at different execution stages;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003econtrol the order of shared data updates;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003erecord and review important system events;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ecreate at least fifteen checking scenarios;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ebuild a final system containing at least eight connected components.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e6. Refund Terms\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA refund request for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEcho Framework\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e may be submitted within 30 calendar days of the order date. All requests are reviewed according to the store refund policy published when the course was purchased. The policy describes the submission procedure, review period, request requirements, and possible exceptions. Learners should read the complete policy before placing an order.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e7. Certificate\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLearners may receive a Javoryx certificate after completing all modules and required assignments included in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEcho Framework\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The certificate confirms completion of the course materials but does not represent a diploma, licence, or occupational qualification.\u003c\/span\u003e\u003c\/p\u003e","brand":"Javoryx","offers":[{"title":"Default Title","offer_id":58281704259919,"sku":null,"price":604.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1026\/4595\/6943\/files\/Echo.jpg?v=1784700166"}],"url":"https:\/\/javoryx.net\/collections\/pro.oembed","provider":"Javoryx","version":"1.0","type":"link"}