Arena game system:
arena is a multi-user, web-based system for organizing and conducting tournaments. arena is game independent in the sense that organizers can adapt a new game to the arena game interface, upload it to the arena server, and immediately announce and conduct tournaments with players and spectators located anywhere on the internet. organizers can also define new tournament styles, describing how players are mapped to a set of matches and how to compute
an overall ranking of players by adding up their victories and losses (hence, figuring out who won the tournament). to recoup their operational costs, organizers can also invite potential sponsors to display advertisement banners during games.
class diagram
create a class diagram for the arena game system based on your use-case diagram that embodies the primary classes. this should be a high-level class diagram with the important objects and their relationships. make sure to include properties and behavior (high-level) for the classes. also provide relationships/associations between classes along with the multiplicity. for special associations indicate if it is an aggregation, composition, or inheritance. show at least one instance of inheritance association.

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Evidenceinformation gathered from credible research sources that a speaker support his or her claims.encyclopediaa reference work that offers relatively brief entries providing background information on a wide range of alphabetized topics.peer reviewthe act of subjecting articles submitted to a scholarly journal to critical readings by other experts in a particular field.dictionarya reference work that offers definitions, pronunciation guides, and sometimes etymologies for wordsquotation booka reference work offering famous or notable quotations on a variety of subjectswhat advantages do libraries offer over the internet? libraries allow you access to strong evidence and credible sources that are not available on web sites.describe the advantages and disadvantages of internet research.advantages: allows you convenient access to information on nearly any topic & offers speed-- enabling you to track down a news report or a research finding almost instantly from anywhere in the world. and puts an immense volume of information at our fingertipsdisadvantages: books may not be available online from credible sources, may cost money. cannot assume that information online is credible. anyone can create a website or blog about a topic! what four key characteristics determine a source's credibility? capacityrecency