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For the swap at 1:14:00 ~ you can also do
a += b;
b = a – b;
a -= b;
Console.Read is just waiting for input. It is not "reading" what was before.

Coding mit Jannich?

You didn't talk about "^" (XOR)

Too much advertising.

You are a great instructor 🙂

what different between .net and .net core?

Thank you for this great ideea!

Nice C# learning

C# is oops language, console is a class

6:49 10:53 15:45 18:39 29:30

7 hours and no MVC?

Now I know, how do I remember all this information?

Amazing!

4:30:16 There is an error coming up. He says that private methods can be called from the Box class itself or from classes that inherit from the Box class: that is incorrect. Private methods can only be called from the class they are defined in, not from derived classes.

The access modifier that would allow a (non-static) method in the Box class to be called from the Box class itself or from classes that inherit from the Box class is … protected.

I thought maybe he just messed up once, and wasn't going to mention it. But a minute or two after he says it wrong the first time, he says it wrong again.

I am now 4 hours 30 minutes in and I still have not seen anything from C# 10. What I see is old, and I believe all of it would work back in C#6. There are no features that were introduced in C# 10, or C# 9, or C# 8, etc.

I mention this because I figured that by now they would have shown simple updates to the basic things they have covered. For example, they covered variables, but not the newer feature of nullable value types; they covered outputting strings, but not the newer feature of string interpolation; etc. These features have been available for the past several versions of C# and are useful at the beginning level (these are not "advanced" topics such as async and await).

4:10:05 That is the old and inferior – very old and very inferior – way of doing it. They introduced optional parameters I think more than a decade ago.

Even with what you have so far on screen, the better way to do it is:

public Human(string firstName, string lastName, string eyeColor, int age = 0)

Now age is an optional parameter. If the caller passes an argument for age (say, 32), the value they passed is used: if they call the constructor without giving an argument for age, then the default value of 0 (specified in the method signature using … = 0) is used.

The 1 parameterized constructor with an optional parameter does the job of the 2 parameterized constuctors you have.

And now you are making it worse. You are asking the developer to create even more paramterized constructors, in case another parameter is not given a value on instantiation.

So your developer will have 5 or 6 parameterized constructors instead of just 1.

Worse still, if you want to take all possibilities into consideration, you would have to create a slew of pamaterized constructors, such as:

1) Caller passes only firstName

2) Caller passes only lastName

3) Caller passes only eyeColor

4) Caller passes only age

5 ) Caller passes only firstName and lastName

6 ) Caller passes only firstName and eyeColor

7 ) Caller passes only firstName and age

8 ) Caller passes only lastName and eyeColor

9 ) Caller passes only lastName and age

10) Caller passes only eyeColor and age

11) Caller passes firstName, lastName, and eyeColor

12) Caller passes firstName, lastName, and age

13) Caller passes lastName, eyeColor, and age

14) Caller passes firstName, lastName, eyeColor, and age

But if you use optional parameters for all 4 (firstName, lastName, eyeColor, and age), then a single constructor would handle all of the above cases.

And worse again, if you add one more field, such as gender, you are going to have to add more parameterized constructors.

Finally, you have a lot of duplicated code in your many parameterized constructors. For example, multiple parameterized constructors will have code to set the value for firstName and lastName. I mean, we know there is duplicated code because you copy/pasted one constructor to make another one, doing that several times.

4:12:00

I am half way through: 3:31:06. So far, I have not seen anything from C# 10. The code would probably all work in C# 6: there are no new features used.

Can you update for c# 12?

Thoroughly enjoyed access modifiers, members along with getters and setters on props. GG's

I love this movie

1st task I've done like this :
public class Task
{
public static void Main()
// The task is to create a program to swap two numbers.
{
int a = 1;
int b = 2;
int c = 3 – a;
a = c;
int d = b – 1;
b = d;
System.Console.WriteLine("a is = " + c + ", " + "b is = " + d);
}
}

20:06

This is a really good tutorial for someone who is beginner-mid range. Covers all the concepts clearly. I just had one doubt:

When using Getters and setters we do not allow another class to change the values directly. We also can adjust the conditions and ensure that variables are changed only if right values are provided.

But You showed a shorter version where we define a property (prop double tab one).

If a class can modify the property directly, what is the use of this? Cant we just let them modify the variable? OR we can still se conditions this way also?

Could you please make videos about sample projects A-Z including everything. Big help.Please

hello, can you provide subtitle support for this video?

27.11

forcing an "f" after float values is asinine.

so cool learned everything i need to know! im a professional c# sin your software engineer

Seven semesters of computer science and I can now finally understand all of this video

great video, the only thing bothering me is that you say there will be a section about inheritance and there wasnt any

this is the first studing video i have learned that has 7hours,oh,that's cool!

Subscribed to your paid course on your web

God, more console apps. USELESS! Windows is a graphical user system and you people trying to teach others how to write code are going in the wrong direction. C# is about writing apps for windows 11 and 10. I could care less about console apps.

great video!

I have one question. In my area is very demanding tecnoligies like Angular, C# and .NET. what version of .NET should i learn? Thanks fors answer

Hello, please i have a question. I bought the C# master class course on Udemy. what is the difference between that and this free course? im concerned becasue i wanna be sure that i spend my time learning the right course that will help me land a job professionally. thanks.

You are just Awesome Jann!!

Is there a way to change the behavior of the MDI Child so that when they are minimized they show up as icons with their corresponding label?

I'm havign an issue…I dont see the projects inside the .sln, it says "0 projects". Any solution to this?

Please which Lenovo Thinkpad or any other budget laptop would you suggest for someone start off in codin

1:29:18 so good explained 👍👍 I saw a lot of programming courses without any explanation….just switching phrases i thought…it could be so much easier like you explained it..loved it

1:05:25 save for reference

how to enable that table in using breakpoints at 51:28 cant seem to fin the option in my visual studio

Hi can I join the your discord channel? the link posted seems to be dead thanks! 🙂

I'm so like studing!!!😍

Deutscher? Hab erst 10 sekunden guguckt deswegen

thank you very much. simple, interisting and understandable