Learn C# with Visual Studio 2017 and Console Programs

With Exercises Throughout the Videos!

Created by: T O
Spreader of Knowledge

What Will I Learn?

• Find, download and install Visual Studio 2017 Community
• Describe a console window
• Create and run a simple c# program
• Describe the purpose of the Console class
• Understand how to use class methods
• Understand the concept of a method as a behavior or an action that can be performed
• Describe the purpose of the .NET Framework library
• Use the object explorer in Visual Studio
• Describe the concept of a class member
• Describe the purpose of the dot member access notation
• Explain what it means to call or invoke a method
• Give examples of method arguments
• Define the concept of a string in C#
• Understand the concept of a data type
• Understand the consequences of data casts
• Describe how string interpolation works
• Describe the purpose of the .NET Framework
• Understand how to use the debugger
• Understand how to use the locals window
• Understand how to use the call stack window
• Describe how to use implicit methods
• Understand the difference between parameters and arguments
• Understand the meaning of the word public
• Describe how to use a name space, class name and method name using dot notation
• Understand how to use the Concat method
• Understand how to ensure that data types do not clash
• Describe an example of when an implicit data cast is safe
• Understand the consequences of making one change and ensuring that the code is properly fixed
• Understand how to use Visual Studio tool tips to help with resolving error messages
• Understand where to find the object explorer and how to find class details using the defintion
• Understand how to read /write numeric values
• Understand how to nest methods
• Understand how to decipher error messages and trace them through the .NET Framework
• Understand how to use properties
• Understand the concept of an enumeration and how to use it
• Understand the concept of a logical condition
• Understand how to make decisions with logical conditions
• Understand how to use methods with if/else
• Understand how to use ++x, x++, x+=2 and other compound operators
• Understand the motivation for while loops
• Understand how a while loop actually operates
• Understand the motivation for a for loops
• Understand how to create a variety of for loops
• Understand how strings behave in memory
• Understand the mechanical execution aspect of a loop
• Understand how to use for each loops
• Understand how to nest if inside loops
• Understand how to use linq methods like sum, average, min and max
• Understand how to use the ForEach method on lists
• Understand the concept of a generic list
• Understand how to combine try parse, while, and lists
• Understand the operation of a basic ternary operator
• Understand how the ternary operator can be used with method calls
• Understand how you can rewrite more condensed code from long-winded code
• Understand how to control the header of a for loop and how to change it meaningfully and with control
• Describe why switch blocks are needed
• Explain how switch blocks operate
• Understand how C# handles division by zero
• Understand why and how to put code under switch block case labels
• Understand how to use the logical and operator with simple values
• Understand how to use the logical and operator with methods
• Understand how the logical and operator executes, step by step and how it short-circuits
• Understand the prototypical operation of the basic or logical operator
• Understand how to use the logical or operator in an application
• Understand how to use while(true) (infinite loop), break and key inputs like the Escape key
• Understand how to create methods with void return types
• Understand how to create methods that return a value
• Describe the concept of matching data types when methods are created
• Describe the concept of the call stack and how methods load and unload from memory
• Understand how parameters function as local variables in methods and where parameters can and cannot be reached
• Understand how to use modern C# switch blocks
• Use methods from the Math class like DivRem
• Understand the difference between % and / in the context of integer division
• Understand how and why to use try/catch blocks
• Understand the concept of a null-reference exception
• Understand how to catch null reference exceptions
• Understand how to use the word null in logical comparisons
• Understand how to create and use a method with a string parameter/ return data type
• Understand how to use hard coded values to understand the operation of if/else blocks better
• Understand how to call a method with a null value and how to protect against the consequences
• Understand how to create a method with a List parameter
• Understand how to return an IEnumerable from a method
• Understand how to call methods in a variety of positions in the code, including foreach loops
• Describe how to create an array
• Describe how to read a value from an array using array access notation
• Describe how to assign values to an array using array access notation
• Understand how to use the params keyword in method headers
• Understand how to use a foreach loops to produce a sum of values inside a method
• Understand how to use a foreach loop to produce a product of values inside a method
• Explain the meaning of a reference variable in the context of arrays
• Explain the meaning of a reference variable in the context of lists
• Understand how to create an array using a for loop
• Understand how to read an array using a foreach loop
• Understand how to print an array backwards using a for loop
• Understand how to define an array of arrays (two dimensional case)
• Describe why two for loops are needed to print the entries of a two dimensional array
• Understand how to code up the data types needed in nested foreach loops
• Understand how reference types like arrays and lists behave in memory
• Understand how to set the value of a two-dimensional array using for loops
• Understand how to create a jagged array
• Understand how to display the value of a jagged array

Requirements

• Students MUST use at least the version of Visual Studio Community 2017 described in the first, free preview video.

Target audience

• People who are interested in C# should take this course.
• People who are new to C# should take this course.
• People who feel it's valuable to pause at times and try an assignment or a mental exercise before continuing.
• People who understand that the average video length is about 7 minutes should join.
• People who like fast talking should not join.
• The vast majority of the examples are standalone.
• When I say beginner, I don't mean that in an overly simplified sense.