From the course: Data Science for Java Developers
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Real-life data difficulties - Java Tutorial
From the course: Data Science for Java Developers
Real-life data difficulties
- [Illustrator] So, now that we've seen some of the ways to format and represent data in our Java programs, we're going to take a look at another, that becomes particularly important, when we're working with data that's provided to us in things like Files. So, we're going to take a look at some of the main data difficulties that we're going to deal with, and discuss some ways to deal with those things. In the real world, the data that's going to be given to us, is going to be quite a bit different from the data that we're used to working with in a very controlled environment, where everything's very nicely formatted, there are no mistakes. In general, the data that we work with, is going to have some problems with it, that we're going to have to be aware of, and know how to deal with. So, the first of those difficulties, is something that's called Null Values. Now, usually, null values in a data set are how somebody…
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