You declare variables like this in C# (the syntax we'll use is standard for C# documentation—items in square brackets are optional, and items in italics are placeholders for your own identifiers):
[attributes] [modifiers] type declarators;
Here are the parts of this statement:
attributes (optional)— Holds optional declarative meta-information, as we'll discuss in Chapter 14, “Using Attributes and Reflection.”
modifiers (optional)— Optional modifiers that include the new modifier and one of the four access modifiers like public and private that we'll see in Chapter 3.
type— One of the C# types—byte, char, short, int, long, float, double, decimal, bool, string, an enum—or a reference type.
declarators— A comma-separated list of declarators. ...