Auto commit

Main.java

-class Main {
-  public static void main(String[] args) {
-    System.out.println("Hello world!");
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Scanner;
+
+public class CarRentalSystem {
+
+    // 定义汽车信息类
+    static class Car {
+        private String carId;
+        private String make;
+        private String model;
+        private int year;
+        private String color;
+        private double price;
+
+        public Car(String carId, String make, String model, int year, String color, double price) {
+            this.carId = carId;
+            this.make = make;
+            this.model = model;
+            this.year = year;
+            this.color = color;
+            this.price = price;
+        }
+
+        public String getCarId() {
+            return carId;
+        }
+
+        public void setCarId(String carId) {
+            this.carId = carId;
+        }
+
+        public String getMake() {
+            return make;
+        }
+
+        public void setMake(String make) {
+            this.make = make;
+        }
+
+        public String getModel() {
+            return model;
+        }
+
+        public void setModel(String model) {
+            this.model = model;
+        }
+
+        public int getYear() {
+            return year;
+        }
+
+        public void setYear(int year) {
+            this.year = year;
+        }
+
+        public String getColor() {
+            return color;
+        }
+
+        public void setColor(String color) {
+            this.color = color;
+        }
+
+        public double getPrice() {
+            return price;
+        }
+
+        public void setPrice(double price) {
+            this.price = price;
+        }
+
+        @Override
+        public String toString() {
+            return "Car{" +
+                    "carId='" + carId + '\'' +
+                    ", make='" + make + '\'' +
+                    ", model='" + model + '\'' +
+                    ", year=" + year +
+                    ", color='" + color + '\'' +
+                    ", price=" + price +
+                    '}';
+        }
+    }
+
+    // 定义订单信息类
+    static class Order {
+        private String orderId;
+        private String carId;
+        private String customerId;
+        private Date rentDate;
+        private Date returnDate;
+        private double totalAmount;
+
+        public Order(String orderId, String carId, String customerId, Date rentDate, Date returnDate, double totalAmount) {
+            this.orderId = orderId;
+            this.carId = carId;
+            this.customerId = customerId;
+            this.rentDate = rentDate;
+            this.returnDate = returnDate;
+            this.totalAmount = totalAmount;
+        }
+
+        public String getOrderId() {
+            return orderId;
+        }
+
+        public void setOrderId(String orderId) {
+            this.orderId = orderId;
+        }
+
+       
+        public void setCarId(String carId) {
+          this.carId = carId;
+      }
+  
+      public String getCustomerId() {
+          return customerId;
+      }
+  
+      public void setCustomerId(String customerId) {
+          this.customerId = customerId;
+      }
+  
+      public Date getRentDate() {
+          return rentDate;
+      }
+  
+      public void setRentDate(Date rentDate) {
+          this.rentDate = rentDate;
+      }
+  
+      public Date getReturnDate() {
+          return returnDate;
+      }
+  
+      public void setReturnDate(Date returnDate) {
+          this.returnDate = returnDate;
+      }
+  
+      public double getTotalAmount() {
+          return totalAmount;
+      }
+  
+      public void setTotalAmount(double totalAmount) {
+          this.totalAmount = totalAmount;
+      }
+  
+      @Override
+      public String toString() {
+          return "Order{" +
+                  "orderId='" + orderId + '\'' +
+                  ", carId='" + carId + '\'' +
+                  ", customerId='" + customerId + '\'' +
+                  ", rentDate=" + rentDate +
+                  ", returnDate=" + returnDate +
+                  ", totalAmount=" + totalAmount +
+                  '}';
+      }
   }
-}
\ No newline at end of file
+  
+  public static void main(String[] args) {
+      Scanner scanner = new Scanner(System.in);
+  
+      // 初始化汽车信息
+      Map<String, Car> carMap = new HashMap<>();
+      carMap.put("001", new Car("001", "Toyota", "Camry", 2019, "White", 100.0));
+      carMap.put("002", new Car("002", "Honda", "Accord", 2020, "Black", 120.0));
+      carMap.put("003", new Car("003", "Ford", "Mustang", 2021, "Red", 150.0));
+      carMap.put("004", new Car("004", "BMW", "X5", 2018, "Silver", 200.0));
+  
+      // 初始化客户信息
+      Map<String, String> customerMap = new HashMap<>();
+      customerMap.put("001", "John");
+      customerMap.put("002", "Mary");
+      customerMap.put("003", "David");
+      customerMap.put("004", "Alice");
+  
+      // 初始化订单信息
+      List<Order> orderList = new ArrayList<>();
+  
+      while (true) {
+          // 显示菜单
+          System.out.println("1. Rent a car");
+          System.out.println("2. Return a car");
+          System.out.println("3. Display available cars");
+          System.out.println("4. Display rented cars");
+          System.out.println("5. Display rental history");
+          System.out.println("6. Exit");
+  
+          // 读取用户输入的选项
+          System.out.print("Please enter your choice: ");
+          int choice = scanner.nextInt();
+  
+          switch (choice) {
+              case 1:
+                  // 租车
+                  System.out.print("Enter car ID: ");
+                  String rentCarId = scanner.next();
+                  if (!carMap.containsKey(rentCarId)) {
+                      System.out.println("Invalid car ID.");
+                      break;
+                  }
+  
+                  System.out.print("Enter customer ID: ");
+                  String customerId = scanner.next();
+                  if (!customerMap.containsKey(customerId)) {
+                      System.out.println("Invalid customer ID.");
+                      break;
+                  }
+  
+                  System.out.print("Enter rent date (yyyy-MM-dd): ");
+                  String rentDateStr = scanner.next();
+                  Date rentDate = new Date(rentDateStr);
+  
+                  Order rentOrder = new Order(
+                          String.format("%d", orderList.size() + 1),
+                          rentCarId,
+                          customerId,
+                          rentDate
+  
\ No newline at end of file