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Before concluding this class on java development, I want to
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talk about another process that is very popular these days, and
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it's used in many companies, which is called Scrum. Which similar
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to XP is another agile development process, and I'm going to
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start by discussing what the Scrum actors are. There's three
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main kinds of actors. The first one is the product owner,
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which means the customer. The product owner is mainly responsible for
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the product back log, where the product back log is basically
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the list of things that have to be done, the
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back log in fact for the project. And that is
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analogous to the user stories to be realized in XP,
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that we just saw. So what the product owner does is
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to clearly express these back log items, and to also
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order them by value, so they can be prioritized. The second
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actor is the team. The team is responsible for delivering
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shippable increments to estimate the
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back log items. It's normally self-organized,
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consists of four to nine people, and it's what you
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would consider normally as the main development team in a
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project. And finally we have the Scrum master. The Scrum
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master is the person who's responsible for the overall Scrum process,
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so he or she has to remove obstacles, facilitate events,
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helps communications, and so on. So you you can see
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the Scrum master as sort of a manager or the
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person who's got oversight, or the supervisor of the Scrum process.
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