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- What is the difference between c# language and c
- The differences between C# and C languages are: Type system: C# is type-safe, C is type-unsafe. Garbage collection: C# has automatic garbage collection, C requires manual memory management. Security: C# has built-in security mechanisms, C does not. Syntax: C# is similar to Java, but C syntax is more concise. Purpose: C# is used for games, business applications, and web services, C is used for low-level system software and embedded systems. Pointers: C allows pointers, C#'s pointers are protected. Platforms: C# is cross-platform, C is mainly used on native platforms. Learning Curve: C# is easier to learn than C.
- C#.Net Tutorial 632 2024-04-04 16:24:15
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- What are the two major types of data types in c#?
- Data types in C# are divided into value types and reference types. Value types are stored on the stack, including basic data types (integers, floating point numbers, Boolean values, etc.), structures, and enumerations. Reference types are stored in the heap, including classes, interfaces, arrays, and strings, which store references to objects.
- C#.Net Tutorial 478 2024-04-04 16:21:16
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- What are the basic data types in c#
- Primitive data types in C# represent built-in data types for a single specific value. They are immutable, which means that once created, their value cannot be changed. These data types include: Integer type: byte, sbyte, short, ushort, int, uint, long, ulong Floating point type: float, double, decimal Boolean type: bool Character type: char
- C#.Net Tutorial 926 2024-04-04 16:09:16
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- What are the two main categories of data types in c#?
- C# data types are divided into value types (stored on the stack, containing a copy of the data) and reference types (stored on the heap, indirectly pointing to the data). Value types include numeric types, Boolean types, char types, enumeration types, and structures; reference types include classes, interfaces, arrays, tuples, and delegates. When choosing a data type, you need to consider the data characteristics and usage. Use value types for small and stable data, and use reference types for large or volatile data.
- C#.Net Tutorial 705 2024-04-04 16:06:23
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- Which is better, c# or c++?
- There is no clear "better" when it comes to comparing C# to C++. The choice depends on the requirements: Performance: C++ offers excellent performance, while C# has moderate performance. Portability: C# is a cross-platform language, while C++ is less cross-platform. Syntax: C# syntax is easy to learn, while C++ is complex and low-level. Community: The C++ community is huge, and the C# community is active and strongly supported by Microsoft. Purpose: C++ is used for high-performance applications such as games, and C# is used for applications such as enterprise applications and web development.
- C#.Net Tutorial 541 2024-04-04 16:03:22
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- Which design pattern does c# delegate and event belong to?
- Delegates and events belong to the observer pattern in behavioral design patterns, where delegates act as observers and events act as subjects. This pattern defines a one-to-many dependency relationship. Observers will be notified when the topic status changes, and the observers can update their status accordingly.
- C#.Net Tutorial 1236 2024-04-04 15:57:13
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- What are the two types of data types in C# and what are their differences?
- C# data types are divided into value types and reference types. Value types store actual values, are immutable, and allocate memory on the stack, such as int and float. Reference types store references to values, are mutable, and allocate memory on the heap, such as string and array.
- C#.Net Tutorial 1020 2024-04-04 15:42:17
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- What are the two main types of data types in C#?
- Data types in C# are divided into two categories: value types and reference types. Value type: stored directly in a variable and cannot be modified, including integer, floating point, Boolean, character, enumeration and structure. Reference type: stores object references and can be modified, including classes, interfaces, arrays, delegates and strings.
- C#.Net Tutorial 1122 2024-04-04 15:39:21
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- What are the common data types in c#
- C# data types are divided into two types: value types and reference types. Value types store data directly, including integers, floating point numbers, characters, Boolean types, and enumerations. Reference types store references to objects in the heap, including classes, structures, arrays, strings, exceptions, and interfaces. Choosing the right data type based on storage size, performance, accuracy, and purpose is critical.
- C#.Net Tutorial 837 2024-04-04 15:36:20
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- What is delegation in c#
- A delegate in C# is a type-safe pointer to a method that can be called. Its advantages include callability, code reuse, and asynchronous programming. The syntax of a delegate is public delegate void DelegateName(params Type[] parameterTypes), which can be used by declaring delegate variables, pointing to methods and calling the delegate. In the example, the delegate CalculationDelegate points to the method Add and is used to calculate the sum of 10 and 20.
- C#.Net Tutorial 1073 2024-04-04 15:03:24
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- What is the essence of c# delegation
- A delegate is a type-safe pointer to a method. It encapsulates method references, allows methods to be passed as parameters, and provides type safety guarantees, forcing method signatures to match delegate definitions.
- C#.Net Tutorial 1030 2024-04-04 15:00:23
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- What is the use of c# delegation?
- Delegates have five uses in C#: callbacks, event handlers, object loose coupling, simplified delegate chains, and generic delegates. For example, delegates can be used to implement callbacks on button click events, simplifying event handling.
- C#.Net Tutorial 690 2024-04-04 14:57:14
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- What are the types of C# value types?
- Value types in C# are stored directly in variables and include structures, enumerations, booleans, integer value types, floating point value types, and decimal value types, which provide higher performance but lack the functionality provided by reference types.
- C#.Net Tutorial 1139 2024-04-04 14:51:18
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- What types of variables are included in the C# language and what are their characteristics?
- Value types supported in C# include integers, floating point, Boolean, character, and enumeration types; reference types include classes, interfaces, arrays, and strings. Value types are stored on the stack, and when copied, a copy is created, while reference types are stored on the heap, and when copied, another reference to the original data is created.
- C#.Net Tutorial 964 2024-04-04 14:45:15
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- The data types of c# are divided into several categories
- C# provides a variety of data types, classified as follows: Value types: basic types (integers, floating point numbers, booleans, char), structures, enumerations Reference types: classes, interfaces, delegates, arrays, strings Nullable types: Value types that allow null Other types: dynamic types, anonymous types, pointers The choice of data type should be based on the type of value stored and application requirements.
- C#.Net Tutorial 1224 2024-04-04 14:39:19
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