4.5.2: Code Example for Ternary Operator

Author: faqeerhussein

ternary_operator.cs

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+using System;
+
+class TernaryOperatorDemo
+{
+    static void Main()
+    {
+        // Basic usage of ternary operator
+        int a = 10;
+        int b = 20;
+        string result = a > b ? "a is greater than b" : "a is not greater than b";
+        Console.WriteLine(result);
+
+        // Nested ternary operator
+        int score = 85;
+        string grade = score >= 90 ? "A" :
+                       score >= 80 ? "B" :
+                       score >= 70 ? "C" :
+                       score >= 60 ? "D" : "F";
+        Console.WriteLine($"The grade is: {grade}");
+
+        // Ternary operator with different data types
+        bool isAdult = true;
+        string message = isAdult ? "You are an adult." : "You are not an adult.";
+        Console.WriteLine(message);
+
+        // Assigning the result to a variable
+        int x = 5;
+        int y = 10;
+        int max = x > y ? x : y;
+        Console.WriteLine($"The maximum value is: {max}");
+
+        // Inline use in Console.WriteLine
+        int age = 25;
+        Console.WriteLine(age >= 18 ? "You can vote." : "You cannot vote.");
+
+        // Method returning a value based on ternary operator
+        Console.WriteLine(CheckEvenOdd(10)); // Output: Even
+        Console.WriteLine(CheckEvenOdd(7));  // Output: Odd
+
+        // Ternary operator used as method parameter
+        bool isHappy = true;
+        PrintMessage(isHappy ? "I'm happy!" : "I'm not happy.");
+
+        // Ternary operator in a complex expression
+        int c = 15;
+        max = (a > b ? a : b) > c ? (a > b ? a : b) : c;
+        Console.WriteLine($"The maximum value is: {max}");
+    }
+
+    // Method returning a value based on ternary operator
+    static string CheckEvenOdd(int number)
+    {
+        return number % 2 == 0 ? "Even" : "Odd";
+    }
+
+    
+    static void PrintMessage(string message)
+    {
+        Console.WriteLine(message);
+    }
+}

ternary_operator.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net8.0</TargetFramework>
+        <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
+    </PropertyGroup>
+    <ItemGroup>
+        <Compile Include="ternary_operator.cs" />
+    </ItemGroup>
+  </Project>