C# 運算子 (對開發者如何運作)

// Arithmetic Operators
int a = 10;
int b = 3;
int sum = a + b; // Adds the values of a and b
int difference = a - b; // Subtracts b from a
int product = a * b; // Multiplies a by b
int quotient = a / b; // Divides a by b (integer division)
int remainder = a % b; // Modulus operation; gives the remainder of a divided by b

Console.WriteLine("Arithmetic Operators:");
Console.WriteLine($"Sum: {sum}, Difference: {difference}, Product: {product}, Quotient: {quotient}, Remainder: {remainder}");
Console.WriteLine();

' Arithmetic Operators
Dim a As Integer = 10
Dim b As Integer = 3
Dim sum As Integer = a + b ' Adds the values of a and b
Dim difference As Integer = a - b ' Subtracts b from a
Dim product As Integer = a * b ' Multiplies a by b
Dim quotient As Integer = a \ b ' Divides a by b (integer division)
Dim remainder As Integer = a Mod b ' Modulus operation; gives the remainder of a divided by b

Console.WriteLine("Arithmetic Operators:")
Console.WriteLine($"Sum: {sum}, Difference: {difference}, Product: {product}, Quotient: {quotient}, Remainder: {remainder}")
Console.WriteLine()

// Relational Operators
bool isEqual = (a == b); // Checks if a is equal to b
bool notEqual = (a != b); // Checks if a is not equal to b
bool greaterThan = (a > b); // Checks if a is greater than b
bool lessThan = (a < b); // Checks if a is less than b
bool greaterOrEqual = (a >= b); // Checks if a is greater than or equal to b
bool lessOrEqual = (a <= b); // Checks if a is less than or equal to b

Console.WriteLine("Relational Operators:");
Console.WriteLine($"Equal: {isEqual}, Not Equal: {notEqual}, Greater Than: {greaterThan}, Less Than: {lessThan}, Greater or Equal: {greaterOrEqual}, Less or Equal: {lessOrEqual}");
Console.WriteLine();

' Relational Operators
Dim isEqual As Boolean = (a = b) ' Checks if a is equal to b
Dim notEqual As Boolean = (a <> b) ' Checks if a is not equal to b
Dim greaterThan As Boolean = (a > b) ' Checks if a is greater than b
Dim lessThan As Boolean = (a < b) ' Checks if a is less than b
Dim greaterOrEqual As Boolean = (a >= b) ' Checks if a is greater than or equal to b
Dim lessOrEqual As Boolean = (a <= b) ' Checks if a is less than or equal to b

Console.WriteLine("Relational Operators:")
Console.WriteLine($"Equal: {isEqual}, Not Equal: {notEqual}, Greater Than: {greaterThan}, Less Than: {lessThan}, Greater or Equal: {greaterOrEqual}, Less or Equal: {lessOrEqual}")
Console.WriteLine()

// Logical Operators
bool condition1 = true;
bool condition2 = false;
bool resultAnd = condition1 && condition2; // true if both conditions are true
bool resultOr = condition1 || condition2; // true if either condition is true
bool resultNot = !condition1; // inverts the Boolean value of condition1

Console.WriteLine("Logical Operators:");
Console.WriteLine($"AND: {resultAnd}, OR: {resultOr}, NOT: {resultNot}");
Console.WriteLine();

' Logical Operators
Dim condition1 As Boolean = True
Dim condition2 As Boolean = False
Dim resultAnd As Boolean = condition1 AndAlso condition2 ' true if both conditions are true
Dim resultOr As Boolean = condition1 OrElse condition2 ' true if either condition is true
Dim resultNot As Boolean = Not condition1 ' inverts the Boolean value of condition1

Console.WriteLine("Logical Operators:")
Console.WriteLine($"AND: {resultAnd}, OR: {resultOr}, NOT: {resultNot}")
Console.WriteLine()

// Assignment Operators
int x = 5; // Assigns 5 to x
int y = 2; // Assigns 2 to y
x += y; // Increases x by the value of y
y *= 3; // Multiplies y by 3

Console.WriteLine("Assignment Operators:");
Console.WriteLine($"x after +=: {x}, y after *=: {y}");
Console.WriteLine();

' Assignment Operators
Dim x As Integer = 5 ' Assigns 5 to x
Dim y As Integer = 2 ' Assigns 2 to y
x += y ' Increases x by the value of y
y *= 3 ' Multiplies y by 3

Console.WriteLine("Assignment Operators:")
Console.WriteLine($"x after +=: {x}, y after *=: {y}")
Console.WriteLine()

// Bitwise Operators
int p = 5; // Binary: 0101
int q = 3; // Binary: 0011
int bitwiseAnd = p & q; // Binary AND operation
int bitwiseOr = p | q; // Binary OR operation
int bitwiseXor = p ^ q; // Binary XOR operation
int bitwiseNotP = ~p; // Binary NOT operation (complement)
int leftShift = p << 1; // Shift bits of p left by 1
int rightShift = p >> 1; // Shift bits of p right by 1

Console.WriteLine("Bitwise Operators:");
Console.WriteLine($"AND: {bitwiseAnd}, OR: {bitwiseOr}, XOR: {bitwiseXor}, NOT: {bitwiseNotP}, Left Shift: {leftShift}, Right Shift: {rightShift}");
Console.WriteLine();

' Bitwise Operators
Dim p As Integer = 5 ' Binary: 0101
Dim q As Integer = 3 ' Binary: 0011
Dim bitwiseAnd As Integer = p And q ' Binary AND operation
Dim bitwiseOr As Integer = p Or q ' Binary OR operation
Dim bitwiseXor As Integer = p Xor q ' Binary XOR operation
Dim bitwiseNotP As Integer = Not p ' Binary NOT operation (complement)
Dim leftShift As Integer = p << 1 ' Shift bits of p left by 1
Dim rightShift As Integer = p >> 1 ' Shift bits of p right by 1

Console.WriteLine("Bitwise Operators:")
Console.WriteLine($"AND: {bitwiseAnd}, OR: {bitwiseOr}, XOR: {bitwiseXor}, NOT: {bitwiseNotP}, Left Shift: {leftShift}, Right Shift: {rightShift}")
Console.WriteLine()

// Conditional (Ternary) Operator
int age = 20;
string result = (age >= 18) ? "Adult" : "Minor"; // Checks if age is 18 or more

Console.WriteLine("Conditional Operator:");
Console.WriteLine($"Result: {result}");
Console.WriteLine();

' Conditional (Ternary) Operator
Dim age As Integer = 20
Dim result As String = If(age >= 18, "Adult", "Minor") ' Checks if age is 18 or more

Console.WriteLine("Conditional Operator:")
Console.WriteLine($"Result: {result}")
Console.WriteLine()

// Null-Coalescing Operator
int? nullableValue = null;
int resultCoalesce = nullableValue ?? 10; // Uses value 10 if nullableValue is null

Console.WriteLine("Null-Coalescing Operator:");
Console.WriteLine($"Result: {resultCoalesce}");

' Null-Coalescing Operator
Dim nullableValue? As Integer = Nothing
Dim resultCoalesce As Integer = If(nullableValue, 10) ' Uses value 10 if nullableValue is null

Console.WriteLine("Null-Coalescing Operator:")
Console.WriteLine($"Result: {resultCoalesce}")

using IronPdf;
using System;
class Program
{
    static void Main()
    {
        // Create an instance of ChromePdfRenderer
        var renderer = new ChromePdfRenderer();

        // Add HTML content with mathematical operations
        string content = $@"<!DOCTYPE html>
                            <html>
                            <body>
                                <h1>Mathematical Operations in IronPDF</h1>
                                <p>Sum: 5 + 7 = {5 + 7}</p>
                                <p>Product: 3 * 4 = {3 * 4}</p>
                                <p>Division: 10 / 2 = {10 / 2}</p>
                                <p>Modulus: 15 % 4 = {15 % 4}</p>
                            </body>
                            </html>";

        // Render HTML content to PDF
        var pdf = renderer.RenderHtmlAsPdf(content);

        // Save the PDF to a file
        pdf.SaveAs("MathOperations.pdf");
        Console.WriteLine("PDF with mathematical operations created successfully!");
    }
}

Imports IronPdf
Imports System
Friend Class Program
	Shared Sub Main()
		' Create an instance of ChromePdfRenderer
		Dim renderer = New ChromePdfRenderer()

		' Add HTML content with mathematical operations
		Dim content As String = $"<!DOCTYPE html>
                            <html>
                            <body>
                                <h1>Mathematical Operations in IronPDF</h1>
                                <p>Sum: 5 + 7 = {5 + 7}</p>
                                <p>Product: 3 * 4 = {3 * 4}</p>
                                <p>Division: 10 / 2 = {10 \ 2}</p>
                                <p>Modulus: 15 % 4 = {15 Mod 4}</p>
                            </body>
                            </html>"

		' Render HTML content to PDF
		Dim pdf = renderer.RenderHtmlAsPdf(content)

		' Save the PDF to a file
		pdf.SaveAs("MathOperations.pdf")
		Console.WriteLine("PDF with mathematical operations created successfully!")
	End Sub
End Class