Posts about C#
Array is declared and used
May 11, 2021 21:00 0 Comment C#
Array, Array, Declare the array, Initialize the array, Assign an assignment to an array, Access array elements, Use the foreach loop, Array details for C#, Array, An array is a sequential collection of fixed sizes that store elements of the same type., An array is a collection used to store data and is ge
Nullable description
May 11, 2021 21:00 0 Comment C#
Nullable, Nullable, Null merge operator (?? ）, Nullable, It provides a special data type,, the nullable type, (empty type), that can represent a value in the normal range of its underlying value ty
The C#method
May 11, 2021 21:00 0 Comment C#
The C#method, The C#method, Define the method in C#, Instance, The method is called in C#, Recursive method calls, The argument is passed, Pass arguments by value, Pass parameters by reference, Pass parameters by output, The, C#method, One approach is to organize some related statements together to execute a block of statements for a task., Each C#program has at least
The C#package
May 11, 2021 21:00 0 Comment C#
The C#encapsulation, The C#encapsulation, Public access modifiers, Private access modifiers, Protected access modifiers, Internal access modifiers, Protected Internal access modifiers, Range comparison, The, C#encapsulation, Encapsulation, is defined as "enclosing one or more items in a physical or logical package.", In object-oriented program design
The C-loop
May 11, 2021 21:00 0 Comment C#
The C-loop, The C-loop, The type of loop, Loop control statements, Unlimited loops, The, C-loop, Sometimes, you may need to execute the same piece of code multiple times., In general, statements are executed sequentially: the first st
The polymorphism of C
May 11, 2021 22:00 0 Comment C#
C# Polymorphism, C# Polymorphism, Static polymorphism, The function is overloaded, Dynamic polymorphism, C#, Polymorphism, Polymorphism, means that there are multiple forms., In the object-oriented programming paradigm, polymorphism is often expressed as
The C#operator is overloaded
May 11, 2021 22:00 0 Comment C#
The C#operator overloads, The C#operator overloads, The implementation of operator overloading, Overloadable and non-overloadable operators, Instance, The, C#operator overloads, You can redefine or overload the operators built into C. T, herefore, programmers can also use user-defined type operators.
Interface (Interface)
May 11, 2021 22:00 0 Comment C#
Interface, Interface, Declare the interface, Instance, Interface, Interfaces define the syntax contracts that should be followed when all classes inherit interfaces., The interface defines the "what, is" s
Namespace (Namespace)
May 11, 2021 22:00 0 Comment C#
Namespace, Namespace, Define the namespace, The using keyword, Nested namespaces, Namespace, Namespaces, are designed to provide a way to separate a set of names from other names., The name of the class declared in one namespace doe
Preprocessor instructions for C#
May 11, 2021 22:00 0 Comment C#
The preprocessor instructions for the C#, The preprocessor instructions for the C#, A list of preprocessor instructions for C#, #define preprocessor, Conditional instructions, The, preprocessor instructions for, the C#, Preprocessor instructions instruct the compiler to preprocess the information before the actual compilatio
The regular expression of C#
May 11, 2021 22:00 0 Comment C#
The regular expression of C#, The regular expression of C#, Define regular expressions, Regex class, Instance 1, 实例 2, 实例 3, The regular, expression of C#, Regular expressions are, patterns that match input text. The .Net framework provides a regular expression engine that a
The exception handling of the C#
May 11, 2021 22:00 0 Comment C#
The C#exception handling, The C#exception handling, Grammar, The exception class in C#, Exception handling, Create a user-defined exception, Throw the object, The, C#exception handling, An exception is a problem that occurs during program execution., Exceptions in C# are a response to special situations that
The input and output of the C# file
May 11, 2021 22:00 0 Comment C#
The input and output of the C# file, The input and output of the C# file, Class C#I/O, FileStream class, Instance, Advanced file operations for C#, The input, and output of the C# file, A file, is a, collection of data stored on disk with a specified name and directory path., When you open a file
Attribute
May 11, 2021 22:00 0 Comment C#
Attribute, Attribute, Specified Characteristics (Attribute), Predefined attributes (Attribute), Create custom features (Attribute), Attribute, Attributes are declaration labels, that are used to deliver behavioral information about various elements in a program at runtime, such as
Reflection
May 11, 2021 22:00 0 Comment C#
Reflection of the C#, Reflection of the C#, Reflection has advantages and disadvantages, The purpose of reflection, View metadata, Instance, Reflection, of the C#, Reflection refers to the, ability of a program to access, detect, and modify its own state or behavior., The assembly contains