Comparison Operator

What is a Comparison Operator in C#?

Definition and meaning of Comparison Operator

In C#, a comparison Operator is a Binary Operator that takes two Operands whose values are being in comparison. Comparison Operators are utilized in conditional Statements, specifically in Loops, in which the result of the assessment decides whether execution ought to continue. They shape the key to application glide manage, referred to as conditional processing.

Comparison operators include:

• Equality operator (==), returns genuine for operands whose values are equal.
• Inequality operator (!=), returns false if operands are identical.
• Less than Relational operator (), defined for all numeric and Enumeration types and returns true if the first operand is extra than the second operand.
• Less than or same to relational operator (=), defined for all numeric and enumeration sorts and returns true if the primary operand is more than or same to the second one operand.

Comparison operators also are known as relational operators.

What Does Comparison Operator Mean?

Comparison operators have the subsequent Functions:

• Operate on one kind of Variable and return a price of bool kind.
• Cannot be used at once for comparison of Objects of consumer-defined kind. If used to compare objects, a comparison operator handiest compares item references and not the Data they contain.
• Can be overloaded in user-described sorts by using defining Static member features and the use of the Keyword operator.
• Must be overloaded in pairs. If == is overloaded, != must be overloaded. The identical rule applies to pairs < and > and =.
• Overloading the contrast operators < and > implicitly overloads their corresponding Assignment Operators (if any).
• If == and != are overloaded for a given kind, the techniques Equals() and GetHashCode() have to be overridden.
• Cannot be used with structs until the operator is overloaded to put in force the common sense for contrast.

In the .NET Framework, the SySTEM.String Class is used for actions associated with strings, which includes manipulation, contrast and Concatenation. It overloads the == operator to test for equality of contents of string kind operands and compares the reference of the operand(s), if they're not of string kind. Version four.Zero of the .NET Framework offers the power for dynamic tyPing, through which the Compiler can carry out all the perfect conversion essential for comparison purposes.

When evaLuating items having nested training, evaluation can be based on a reference pointing to a nested item that needs to be compared (deep contrast) or on the values of the items. This choice should be Constant inside the layout stage of an application. For assessment between Floating factor numbers, values must be rounded to an accepTable level for the utility.

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