超市商品管理系统java
时间: 2023-12-23 07:04:01 浏览: 44
超市商品管理系统是一个用Java语言编写的程序,它使用了安卓开发的基础框架,包括活动(Activity)、意图(Intent)、广播接收器(Broadcast Receiver)等组件。通过这个系统,你可以实现超市商品的管理和操作,包括添加商品、删除商品、修改商品信息、查询商品信息等功能。
以下是一个简单的超市商品管理系统的Java代码示例:
```java
import java.util.ArrayList;
import java.util.Scanner;
class Product {
private String name;
private double price;
private int quantity;
public Product(String name, double price, int quantity) {
this.name = name;
this.price = price;
this.quantity = quantity;
}
public String getName() {
return name;
}
public double getPrice() {
return price;
}
public int getQuantity() {
return quantity;
}
public void setQuantity(int quantity) {
this.quantity = quantity;
}
}
class Supermarket {
private ArrayList<Product> products;
public Supermarket() {
products = new ArrayList<>();
}
public void addProduct(Product product) {
products.add(product);
}
public void removeProduct(String name) {
for (int i = 0; i < products.size(); i++) {
if (products.get(i).getName().equals(name)) {
products.remove(i);
break;
}
}
}
public void updateProductQuantity(String name, int quantity) {
for (Product product : products) {
if (product.getName().equals(name)) {
product.setQuantity(quantity);
break;
}
}
}
public void displayProducts() {
for (Product product : products) {
System.out.println("Name: " + product.getName());
System.out.println("Price: " + product.getPrice());
System.out.println("Quantity: " + product.getQuantity());
System.out.println("--");
}
}
}
public class Main {
public static void main(String[] args) {
Supermarket supermarket = new Supermarket();
Scanner scanner = new Scanner(System.in);
while (true) {
System.out.println("1. Add product");
System.out.println("2. Remove product");
System.out.println("3. Update product quantity");
System.out.println("4. Display products");
System.out.println("5. Exit");
System.out.print("Enter your choice: ");
int choice = scanner.nextInt();
if (choice == 1) {
System.out.print("Enter product name: ");
String name = scanner.next();
System.out.print("Enter product price: ");
double price = scanner.nextDouble();
System.out.print("Enter product quantity: ");
int quantity = scanner.nextInt();
Product product = new Product(name, price, quantity);
supermarket.addProduct(product);
System.out.println("Product added successfully!");
} else if (choice == 2) {
System.out.print("Enter product name: ");
String name = scanner.next();
supermarket.removeProduct(name);
System.out.println("Product removed successfully!");
} else if (choice == 3) {
System.out.print("Enter product name: ");
String name = scanner.next(); System.out.print("Enter new quantity: ");
int quantity = scanner.nextInt();
supermarket.updateProductQuantity(name, quantity);
System.out.println("Product quantity updated successfully!");
} else if (choice == 4) {
supermarket.displayProducts();
} else if (choice == 5) {
break;
} else {
System.out.println("Invalid choice! Please try again.");
}
}
scanner.close();
}
}
```
这个示例代码实现了一个简单的超市商品管理系统,你可以根据需要进行修改和扩展。它使用了类和对象的概念,通过创建Product类来表示商品,Supermarket类来管理商品,Main类作为程序的入口。
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