.NET (Core and Framework)

static void Main()
{
    Int32 i = 10;
    Console.WriteLine(i);
    Method(ref i);
    Console.WriteLine(i);
}

static void Method(ref j)
{
    j += 10;
}

10
20

10
10

"In the confrontation between the stream and the rock, the stream always wins - not through strength but perseverance." (H. Jackson Brown)

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"When the only tool you have is a hammer, a sore thumb you will have."

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"When the only tool you have is a hammer, a sore thumb you will have."

Where appropriate, use a compound word to name a derived class. The second part of the derived class's name should be the name of the base class. For example, ApplicationException is an appropriate name for a class derived from a class named Exception, because ApplicationException is a kind of Exception. Use reasonable judgment in applying this rule. For example, Button is an appropriate name for a class derived from Control. Although a button is a kind of control, making Control a part of the class name would lengthen the name unnecessarily.

Application.Run(new FirstForm());
Application.Run(new SecondForm());

"In the confrontation between the stream and the rock, the stream always wins - not through strength but perseverance." (H. Jackson Brown)