(Additional file, clock design specification, is required to complete. Can send PDF file via email)For this assignment you implement a system in Java thatfaithfully realizes a set of UML class and sequence diagrams. You will beprovided a set of Java files that reflect the static structure contained in theclass diagrams. Some of the classes will be fully implemented and require onlycommenting. Some classes will be partially implemented and will require you tocomplete the implementation and provide comments. Others will require youimplement the entire class.The system design is contained in the Clock Design Specification document. Each class isdescribed by a class diagram (using the methodology discussed in previouslessons) and written descriptions of each attribute and operation. For many ofthe operations there is an associated sequence diagram that illustrates theinteractions that result from an invocation. Some of the simple operations,like gets and sets, do not have a corresponding sequence diagram as theirimplementations should be obvious.The Java source code is zip file with the necessary setof .java files. The files will be one of the following types: Fully     implemented.     These files require no editing and will indicate so at the top of the     file.Partially     implemented.     These classes will have defined methods for one or more of the operations.     Each is labeled as implemented and require no comments. Operations which     require implementation contain a comment with a "TODO". These     you are required to implement and provide a description of the operation     as well as comment the method code. You will also need to comment each of     the attributes as well as complete the header for the file.Not     implemented.     These classes will contain no implemented operations and you will need to     supply all code. You need to provide a description of the operation as     well as comment the method code. You will also need to comment each of the     attributes as well as complete the header for the file.For each class you may add attributes as this may well benecessary. You are permitted to add operations but it shouldn't be necessary.You may not create any other classes.Submission RequirementsImportant: Do not use packages. All Java files should be in the default package. Packageslead to a complex nesting of folders and files that make managing thesubmissions difficult. Each each class mustbe contained in its own file and begin with a header of the form.Typo in the Clock DocumentOn the sequence diagram for Clock.start() there are two start() calls on the SixtySecondTimer participant. There should only be one. If you implement it as is what happens is that two timers are created and both tell TimeManager toadvance the time. This results in time moving forward two minutes each timeout.

Unit 2 Article ReviewReview the article below called "Finance and the Blockchain: A Primer." In 2-3 pages, discuss the article and explain how blockchain and finance have integrated. Describe the future of blockchain and finance and how you foresee the current profession changing.https://www.moneyandbanking.com/commentary/2018/5/13/finance-and-the-blockchain-a-primerUnit 2 Case StudyPlease read The Deutsche Bank case study (see HBS Coursepack) and answer the following questions with substantive answers in a cohesive essay. Your paper should be at least 3 pages in length. Use proper grammar, spelling, citations, etc.1. What is blockchain technology, and how can it be used in organizations and industries to create value?2. Is blockchain technlogy a disruptive platform?3. How did the Deutsche Bank managers lay the foundations for commercializing blockchain?4. How should Deutsche Bank move ahead to start crating value from blockchain? Which key issues should it consider?Compose your essay in APA format, including the introduction and conclusion, and in-text citations for all sources used. In addition to your 3 page (minimum) essay, you must include an APA-style title page and reference page. Click the assignment link to compare your work to the rubric before submitting it. Click the same link to submit your assignment.Title: Cryptoassets: The Innovative Investor’s Guide to Bitcoin and BeyondISBN: 978-1-260-02667-2Authors: Burniske and TatarTitle: Bitcoin + Cryptocurrency TechnologiesISBN: 9780691171692Authors: NarayananPublisher: IngramEdition: 16Title: HBR CoursepackSubtitle: https://hbsp.harvard.edu/import/834398