C # third time job

In this lesson we learned about class and object, and a little bit about inheritance and polymorphism.

First of all, I wrote the introduction of deep copy in the class.

After that, we've talked about the five uses of this pointer:

1. To qualify instance members otherwise hidden by parameters.

Examples such as the following

2. To pass the current object as a parameter to another method.

3. With indexers.

4. To call one overloaded constructor from another.

Examples such as the following

5. To explicitly invoke methods and members of a class.

And then the built in Type:string.

Finally, I tried the readonly Field

C # third time job