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Abstract illustration of a lock or seal representing the final keyword in Java, with a class, method, and variable symbol.
Java

Java Final Keyword: Usage and Behavior

Illustration of a Java final variable as a locked reference, with a single assignment arrow and a forbidden second assignment symbol.
Java

Java Final Variable: Syntax, Behavior, and Use Cases

Diagram contrasting explicit Dispose calls with garbage collector finalization timing in C#.
C#

C# Dispose vs Destructor: Key Differences Explained

Illustration of C# variable declaration showing type, name, and value assignment in a code editor.
C#

C# Variable Declaration: Syntax and Practical Usage

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Illustration contrasting the C# dynamic keyword with the object type, showing runtime binding versus compile-time casting.
C#

c# dynamic vs object: Choosing the Right Type

c# dynamic vs object: Compare C# dynamic and object types: runtime behavior, performance implications, and when to use each for maintainable code.

dynamic keywordobject typeruntime bindingtype safety
Illustration of C# dynamic keyword showing flexible binding at runtime between two objects
C#

Using the C# Dynamic Keyword Safely

c# dynamic keyword: Learn when and how to use the `dynamic` keyword in C# for runtime binding, interoperability, and reflection scenarios, including performance and sa...

dynamic typeruntime bindingtype safetyreflection
Illustration of a magnifying glass inspecting a generic type container labeled List<T> with type arguments being extracted.
C#

Detecting Generic Types with C# Reflection

Learn how to detect generic types with C# reflection: inspect type properties, read generic arguments and definitions, and resolve generic interfaces and base classes.

C#ReflectionGeneric TypesType System
Illustration of C# Activator.CreateInstance creating an object at runtime from a type reference.
C#

C# Activator.CreateInstance: Runtime Object Creation

Learn how to use C# Activator.CreateInstance to create objects at runtime, pass constructor arguments, handle exceptions, and evaluate performance tradeoffs.

C#ReflectionRuntime Type CreationActivator
Diagram showing a C# type being inspected at runtime with PropertyInfo metadata extracted from its properties.
C#

C# Reflection: Get Properties at Runtime

Use Type.GetProperties() to inspect and manipulate C# properties at runtime: retrieve PropertyInfo metadata, filter with BindingFlags, read and write values, and avoid common reflection pitfalls.

ReflectionPropertyInfoBindingFlagsType Metadata
Illustration of C# AttributeUsage controlling where custom attributes can be applied, with targets like classes and methods shown as bounded regions.
C#

C# AttributeUsage: Controlling Custom Attribute Application

Learn how to use AttributeUsage in C# to define valid targets, allow multiple instances, and control inheritance for custom attributes.

C# AttributesAttributeUsageCustom AttributesReflection
Diagram showing a C# method with params keyword accepting multiple arguments into an array or collection icon.
C#

C# Params Collection: Syntax, Behavior, and Pitfalls

Learn how C# params handles variable arguments with arrays and the C# 13 params collections feature, including syntax, performance tradeoffs, and common mistakes.

C# paramsvariable argumentsIEnumerablearrays
Editorial diagram of collection elements spreading into a combined C# collection expression
C#

C# Collection Expression Spread Element: Syntax and Behavior

Use the `..` spread element in C# collection expressions to copy elements from an existing collection into arrays, lists, spans, and immutable arrays. Includes syntax, runtime behavior, allocation tradeoffs, and edge cases.

C# 12collection expressionsspread elementarrays
Diagram showing a Span<T> referencing a segment of an array, with arrows indicating zero-copy slicing.
C#

C# Span Usage: Process Memory Slices Without Allocations

c# span usage: Learn how to use Span<T> in C# to slice arrays and strings, avoid allocations, and process memory efficiently in high-performance code.

Span<T>Memory<T>ref structperformance
A diagram showing IComparable and IComparer interfaces and their roles in sorting objects in C#.
C#

C# IComparable vs IComparer: When to Use Each

Understand the difference between IComparable and IComparer in C#, see how to implement both interfaces, and learn when each one fits sorting and comparison logic.

IComparableIComparerSortingC# Interfaces