第一课作业。

OOP/01/Exercise01.cpp

@@ -0,0 +1,36 @@
+#include <iostream>
+
+enum CPU_RANK { P1 = 1, P2, P3, P4, P5, P6, P7 };
+
+class CPU {
+private:
+    CPU_RANK rank;
+    int frequency;
+    float voltage;
+
+public:
+    void enter() {
+        int rankInt;
+        std::cout << "Rank(1-7): ";
+        std::cin >> rankInt;
+        rank = (enum CPU_RANK)rankInt;
+
+        std::cout << "Frequency: ";
+        std::cin >> frequency;
+
+        std::cout << "Voltage: ";
+        std::cin >> voltage;
+    };
+
+    void display() {
+        std::cout << "Rank: " << rank << "; Frequency: " << frequency
+                  << "MHz; Voltage: " << voltage << "V." << std::endl;
+    };
+};
+
+int main() {
+    CPU a_cpu;
+    a_cpu.enter();
+    a_cpu.display();
+    return 0;
+}