Carlos Schults carlosschults

## git-github-course.md

      
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              December 10, 2019 13:27
            
              
                Git & GitHub Bootcamp
              
          
    Student Materials
Course Labs
ASPE Satisfaction Policy
gitignore for Visual Studio
Gitlab Flow

  
## csharp8-using-the-new-operator.cs
public void Foo(string? bar)
{
    if (!bar.IsNullOrEmpty())
    {
        var length = bar!.Length;
    }
}

## csharp8-new-operator.cs
public void Foo(string? bar)
{
    if (!bar.IsNullOrEmpty())
    {
        var length = bar.Length;
    }
}

## csharp8-prevent-assignment.cs
string? nullableString = "hello";
string nonNullableString = nullableString;

## csharp8-null-treatment-2.cs
public int CalculateSquareOfAge(Person? p)
{
    int age = p?.Age ?? 0;
    return age * age;
}

## csharp8-null-treatment.cs
public int CalculateSquareOfAge(Person? p)
{
    var result = 0;
    if (p != null)
        result = p.Age * p.Age;

    return result;
}

## csharp8-null.cs
public int CalculateSquareOfAge(Person? p)
{
    int age = p.Age;
    return age * age;
}

## csharp8-nonnull.cs
public int CalculateSquareOfAge(Person p)
{
    int age = p.Age;
    return age * age;
}

## csharp8-interface.cs
interface IDisplayService
{
    void DisplayMessage(string message) { WriteLine(message); }
}

## csharp8-3.cs
int x = int.Parse(Console.Readline());
if (x.Even)
{
    Console.WriteLine("You’ve typed an even number.");
}
	public void Foo(string? bar)
	{
	if (!bar.IsNullOrEmpty())
	{
	var length = bar!.Length;
	}
	}
	public void Foo(string? bar)
	{
	if (!bar.IsNullOrEmpty())
	{
	var length = bar.Length;
	}
	}
	string? nullableString = "hello";
	string nonNullableString = nullableString;
	public int CalculateSquareOfAge(Person? p)
	{
	int age = p?.Age ?? 0;
	return age * age;
	}
	public int CalculateSquareOfAge(Person? p)
	{
	var result = 0;
	if (p != null)
	result = p.Age * p.Age;

	return result;
	}
	public int CalculateSquareOfAge(Person? p)
	{
	int age = p.Age;
	return age * age;
	}
	public int CalculateSquareOfAge(Person p)
	{
	int age = p.Age;
	return age * age;
	}
	interface IDisplayService
	{
	void DisplayMessage(string message) { WriteLine(message); }
	}
	int x = int.Parse(Console.Readline());
	if (x.Even)
	{
	Console.WriteLine("You’ve typed an even number.");
	}