Variables

Variables store values that later expressions can reuse.

Variables.cs

using System;

class Program
{
    static void Main()
    {
        int unitPrice = ;
        int quantity = 3;
        int total = unitPrice * quantity;

        Console.WriteLine($"unit={unitPrice}");
        Console.WriteLine($"total={total}");
    }
}

using System;

class Program
{
    static void Main()
    {
        int unitPrice = ;
        int quantity = 3;
        int total = unitPrice * quantity;

        Console.WriteLine($"unit={unitPrice}");
        Console.WriteLine($"total={total}");
    }
}

using System;

class Program
{
    static void Main()
    {
        int unitPrice = ;
        int quantity = 3;
        int total = unitPrice * quantity;

        Console.WriteLine($"unit={unitPrice}");
        Console.WriteLine($"total={total}");
    }
}

assignment An assignment stores the value on the right side of `=` in the variable on the left.