last

Author: haein1012

.github/workflows/build-release.yaml

@@ -39,9 +39,8 @@ jobs:
 
     - name: Build C# project
       run: |
-        dotnet new console -o csharp_app --force
-        cp assignment_4/csharp/*.cs csharp_app/
-        dotnet build csharp_app -o assignment_4/output_csharp
+        dotnet new console -o assignment_4/csharp --force
+        dotnet build assignment_4/csharp -o assignment_4/output_csharp
 
     - name: Build Kotlin project
       run: |

assignment_4/csharp/methodchain.cs

@@ -0,0 +1,39 @@
+using System;
+
+class Calculator
+{
+    private double result = 0;
+
+    public Calculator Add(double value)
+    {
+        result += value;
+        return this;  // 자기 자신 반환
+    }
+
+    public Calculator Subtract(double value)
+    {
+        result -= value;
+        return this;
+    }
+
+    public Calculator Multiply(double value)
+    {
+        result *= value;
+        return this;
+    }
+
+    public Calculator Divide(double value)
+    {
+        if (value != 0)
+        {
+            result /= value;
+        }
+        return this;
+    }
+
+    public double GetResult()
+    {
+        return result;
+    }
+}
+

assignment_4/csharp/program.cs

@@ -0,0 +1,33 @@
+using System;
+
+class Program
+{
+    static void Main(string[] args)
+    {
+        Console.WriteLine("=== Adapter Pattern ===");
+        ExternalClass external = new ExternalClass();
+        IInternal adapter = new Adapter(external);
+        Console.WriteLine(adapter.Fetch());
+
+        Console.WriteLine("\n=== Decorator Pattern ===");
+        Coffee basic = new BasicCoffee();
+        Coffee milk = new MilkDecorator(basic);
+        Coffee sugarMilk = new SugarDecorator(milk);
+        Console.WriteLine($"총 커피 가격: {sugarMilk.Cost()}");
+
+        Console.WriteLine("\n=== Facade Pattern ===");
+        Computer computer = new Computer();
+        computer.Boot();
+
+        Console.WriteLine("\n=== Factory Method Pattern ===");
+        Animal dog = AnimalFactory.CreateAnimal("dog");
+        Animal cat = AnimalFactory.CreateAnimal("cat");
+        Console.WriteLine($"Dog says: {dog?.Speak()}");
+        Console.WriteLine($"Cat says: {cat?.Speak()}");
+
+        Console.WriteLine("\n=== Method Chaining Pattern ===");
+        Calculator calc = new Calculator();
+        double result = calc.Add(10).Subtract(2).Multiply(3).Divide(4).GetResult();
+        Console.WriteLine($"계산 결과: {result}");
+    }
+}