StringComparer.Equals Method

Definition

When overridden in a derived class, indicates whether two objects or strings are equal.

Overloads

Equals(Object, Object)

When overridden in a derived class, indicates whether two objects are equal.

Equals(String, String)

When overridden in a derived class, indicates whether two strings are equal.

Equals(Object, Object)

Source:
StringComparer.cs
Source:
StringComparer.cs
Source:
StringComparer.cs

When overridden in a derived class, indicates whether two objects are equal.

public bool Equals (object? x, object? y);
public bool Equals (object x, object y);

Parameters

x
Object

An object to compare to y.

y
Object

An object to compare to x.

Returns

true if x and y refer to the same object, or x and y are both the same type of object and those objects are equal, or both x and y are null; otherwise, false.

Implements

Remarks

Because the runtime does not have to unbox x or y if they are value types or attempt to downcast x or y to strings if they are reference types, the Equals(String, String) method may be slightly more efficient than the Equals(Object, Object) method.

Applies to

.NET 9 e altre versioni
Prodotto Versioni
.NET Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 2.0, 2.1

Equals(String, String)

Source:
StringComparer.cs
Source:
StringComparer.cs
Source:
StringComparer.cs

When overridden in a derived class, indicates whether two strings are equal.

public abstract bool Equals (string x, string y);
public abstract bool Equals (string? x, string? y);

Parameters

x
String

A string to compare to y.

y
String

A string to compare to x.

Returns

true if x and y refer to the same object, or x and y are equal, or x and y are null; otherwise, false.

Implements

Remarks

Because the runtime does not have to unbox x or y if they are value types or attempt to downcast x or y to strings if they are reference types, the Equals(String, String) method may be slightly more efficient than the Equals(Object, Object) method.

Applies to

.NET 9 e altre versioni
Prodotto Versioni
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.0, 2.1
UWP 10.0