- Online Shopping Project Source Code In Java Pdf Reader
- Online Shopping Project Source Code In Java Pdf File
- Online Shopping Project Source Code In Java Pdf Free
- Online Shopping Project Source Code In Java Pdf Format
- Free Project Source Code
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If you have read my previous article which solely focuses on getting you started with the JAVA Collections frameworkthen it’s time to dig a little deeper and create a Shopping Cart application to demonstrate the use of Collections in a real-world application.
I have chosen Shopping Cart application for this purpose because I found it perfect for implementing collections in this application.
Shopping Cart application will help you in modelling real-world entities into code.
Project Structure
- Create a new Java Project with whatever name you like.
- Create the following package under your src folder,
- collections.shoppingcart
- For simplicity, all of the code will reside inside this package.
Classes Used
- Product.java
- Products.java
- Cart.java
- UI.java
- Main.java
For this example project, make sure all of the above-mentioned classes resides under the same package, i.e, collections.shoppingcart.
I will take each class one by one and explain the significance of it.
Product.java
Online Shopping Project Source Code In Java Pdf Reader
Go through the code below,
This is a concrete class which contains Product properties and provides setters and getters for it. I have also override the Hash and Equals method.
equals()method is used to compare two objects based on their properties.hashCode()is a unique hash/number attached to every object whenever the object is created.
So whenever two objects are compared. Their hash code and properties are compared. If both (hash code & properties value) are same then the object is considered equal otherwise not equal.
Therefore, it is very important to override hascode() and equals() method of an object.
Following is a very well explained answer that tells you the importance of overriding hashcode and equals for object comparison.
Products.java
Go through the code below,
Online Shopping Project Source Code In Java Pdf File
The role of this class in your Shopping Cart Application is to provide you with the store products.
In other words, this class is used to initialize your store as soon as the application is started. In real-world application, the items will be retrieved from user session or database. For simplicity, I’m using Products class to initialize objects.
As you can see, theinitStoreItems()method is used to add the products into a new ArrayList of type Product.
If you have read my previous article on Understanding Collections in JAVA then you will be familiar with the Generic Collection.
As we have provided the Product class inside the <> braces as new ArrayList(), this will tell the compiler that the list is of type Product and it can only contain an item which belongs to type Product.
Cool.
You are half way there.
Online Shopping Project Source Code In Java Pdf Free
Cart.java
This is a concrete class which act as a virtual cart to store the items temporarily.
It provides all the required operations a cart should have such as:
- addToCart()
- removeFromCart()
- getProduct(), etc…
It also maintains a cartItemslist with a type Product, similar to the products list in products class.
The sole purpose of cartItemslist is to store the purchased item in the cart or remove the item from the cart. It simply maintains the list of items which are added to the cart by the user.
UI.java
In the web application, you will have a nice looking HTML page with Javascript support. So the user will simply look for the product and click on the Add To Cart button.
In the console application (like this one), UI parts become a bit trickier. But, I’ve got a really cool way to make it easy.
Look:
In the console, a user can input only one input at a time. This is the key concept and could be used to make the UI easy.
People often take different input variables for different inputs. That could become a headache if there are tons of input to process.
That is why the simplest approach is to go with a single input variable and process it as soon as it gets populated.
In this application, I have used a single class variable to take user input. And based on the input value respective process will be executed.
Go through the code below and understand the concept.
This is the class where the main interaction between the user and application takes place.
It is the control point of the application.
Everything that you see in the console is a result of this page.
It takes the user input and calls the respective methods from the classes you made earlier to perform the required task.
Take a look at the code and come back if you have any question. I’m always here to answer.
Main.java
This is simply the starting point for the application.
It calls the constructor of UI() from the main method which takes care of bootstrapping the entire application.
Conclusion
Your Shopping Cart application is fully working at this point in time.
I hope the use of the collection is clear. If there is any doubt or problem then you may contact me directly by commenting below.
For simplicity, I have only used ArrayList, however, you may use any other data structure as per the need of the application. I suggest you follow the KISSprinciple every time you are given a project.
Let me know if you need to learn any other application from real world. I would be more than happy to do it.
Online Food Delivery project in java with source code is a web based project with source code and project report which includes all the required documents.
Online Food Delivery project in java is a web based platform where users can open the application in the web browser and view the list of food according to the category. Users can order the food in some easy steps.
Online Food Delivery project in java is using Java as a core technologies JSP and servlet following the MVC architecture and maven as a build tool. As a backend to manage the data records its using MYSQL.
Skype Id: jcodebun
Email: jcodebun@gmail.com
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Technology used in the Online Food Delivery project in java.
Project title: Online Food Delivery project in java
Front-End: Jsp, Html, CSS, JS.
Server-side: Servlet.
Back-end: MYSQL.
Server: Tomcat 8.5.
Online Food Delivery project in java with source code description
There will be Three main actors or user of the application
- User/Customer
- Admin/Manager
- Restaurant Owner
Admin can handle all customers and restaurant owners.
Admin can ADD/EDIT/DELETE/UPDATE restaurant records.
Admin can ADD/EDIT/DELETE/UPDATE User records.
Online Shopping Project Source Code In Java Pdf Format
Admin can Manage the food categories.
Admin can manage the payment details.
Admin can track the order records.
Restaurants can add new food on the list for the user view.
Restaurants can view booking orders.
Users can view the food list and order food.
Users can log in and registration in the application and manage all the records like booking history.
Online Food Delivery project Demo
Please watch the demo video for a better understanding of the project.
Note: If you need the source code you can contact. We will provide complete source code and all the required things like Database. We have created STEP by STEP configuration tutorial to help you in the configuration process.
Skype Id: jcodebun
Email: jcodebun@gmail.com
WhatsApp: +918878982889
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Free Project Source Code
If you find any kind of difficulties during the configuration. We will also provide configuration remotely. You can contact at jcodebun@gmail.com