last

Author: haein1012

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+    "files.associations": {
+        "iostream": "cpp"
+    }
+}

assignment_4/c++/adapter.cpp assignment_4/c++/adapter.hppassignment_4/c++/adapter.cpp renamed to assignment_4/c++/adapter.hpp

@@ -0,0 +1,46 @@
+#include <iostream>
+#include <string>
+
+class Person {
+public:
+    std::string name;
+    int age;
+    std::string address;
+};
+
+class PersonBuilder {
+private:
+    Person person;
+
+public:
+    PersonBuilder& withName(const std::string& name) {
+        person.name = name;
+        return *this;
+    }
+
+    PersonBuilder& withAge(int age) {
+        person.age = age;
+        return *this;
+    }
+
+    PersonBuilder& withAddress(const std::string& address) {
+        person.address = address;
+        return *this;
+    }
+
+    Person build() {
+        return person;
+    }
+};
+
+void runBuilder() {
+    std::cout << "=== Builder Pattern ===" << std::endl;
+    Person person = PersonBuilder()
+                        .withName("홍길동")
+                        .withAge(20)
+                        .withAddress("부산대학교 양산캠퍼스")
+                        .build();
+    std::cout << "Name: " << person.name << std::endl;
+    std::cout << "Age: " << person.age << std::endl;
+    std::cout << "Address: " << person.address << std::endl;
+}

assignment_4/c++/builder.hpp

@@ -0,0 +1,63 @@
+#include <iostream>
+using namespace std;
+
+class Coffee {
+public:
+    virtual int cost() = 0;
+    virtual ~Coffee() {}
+};
+
+class BasicCoffee : public Coffee {
+public:
+    int cost() override {
+        return 5;
+    }
+};
+
+class CoffeeDecorator : public Coffee {
+protected:
+    Coffee* coffee;
+public:
+    CoffeeDecorator(Coffee* c) : coffee(c) {}
+};
+
+class MilkDecorator : public CoffeeDecorator {
+public:
+    MilkDecorator(Coffee* c) : CoffeeDecorator(c) {}
+    int cost() override {
+        return coffee->cost() + 2;
+    }
+};
+
+class SugarDecorator : public CoffeeDecorator {
+public:
+    SugarDecorator(Coffee* c) : CoffeeDecorator(c) {}
+    int cost() override {
+        return coffee->cost() + 1;
+    }
+};
+
+void runDecorator() {
+    cout << "=== Decorator Pattern ===" << endl;
+
+    Coffee* coffee = new BasicCoffee();
+    cout << "coffee = BasicCoffee()" << endl;
+    cout << "coffee.cost() = " << coffee->cost() << endl << endl;
+
+    Coffee* coffee_with_milk = new MilkDecorator(new BasicCoffee());
+    cout << "coffee_with_milk = MilkDecorator(BasicCoffee())" << endl;
+    cout << "coffee_with_milk.cost() = " << coffee_with_milk->cost() << endl << endl;
+
+    Coffee* coffee_with_sugar = new SugarDecorator(new BasicCoffee());
+    cout << "coffee_with_sugar = SugarDecorator(BasicCoffee())" << endl;
+    cout << "coffee_with_sugar.cost() = " << coffee_with_sugar->cost() << endl << endl;
+
+    Coffee* coffee_with_milk_and_sugar = new SugarDecorator(new MilkDecorator(new BasicCoffee()));
+    cout << "coffee_with_milk_and_sugar = SugarDecorator(MilkDecorator(BasicCoffee()))" << endl;
+    cout << "coffee_with_milk_and_sugar.cost() = " << coffee_with_milk_and_sugar->cost() << endl;
+
+    delete coffee;
+    delete coffee_with_milk;
+    delete coffee_with_sugar;
+    delete coffee_with_milk_and_sugar;
+}

assignment_4/c++/decorator.cpp

@@ -8,6 +8,7 @@ void runEigen();
 void runFacade();
 void runFactory();
 void runMethodChain();
+void runBuilder();
 
 int main() {
     runAdapter();
@@ -16,5 +17,6 @@ int main() {
     runFacade();
     runFactory();
     runMethodChain();
+    runBuilder();
     return 0;
 }

assignment_4/c++/decorator.hpp

@@ -35,6 +35,18 @@ class Calculator {
 
 void runMethodChain() {
     Calculator calc;
-    double result = calc.add(10).subtract(2).multiply(3).divide(4).getResult();
-    cout << "[Method Chaining] 계산 결과: " << result << endl;
-}
+
+    calc.add(10);
+    cout << "add(10): " << calc.getResult() << endl;
+
+    calc.subtract(2);
+    cout << "subtract(2): " << calc.getResult() << endl;
+
+    calc.multiply(3);
+    cout << "multiply(3): " << calc.getResult() << endl;
+
+    calc.divide(4);
+    cout << "divide(4): " << calc.getResult() << endl;
+
+    cout << "최종 계산 결과: " << calc.getResult() << endl;
+}