August 2017
Beginner
566 pages
12h 34m
English
Content preview from Beginning C# 7 Hands-On - The Core Language
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Matching variable types
The line we just added declares and sets up a variable based on an observation of something in the world. Hover your mouse over this line, and it says Double. This is an absolutely important thing to understand. The data type on both sides match, as shown in the following screenshot. If you don't have harmony between the two, many times this leads to errors, especially when you're learning for the first time—it's really crucial.
Figure 2.3.3: The data type on both sides must match
Now I will add the following simple comment. This is the language that you would use to describe that line. Note that it is a statement: ...
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