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10 Free Java Projects for Beginners in 2020
What is Java?
Developed and created by John Gosling in1995 in Sun Microsystems, Java is a general-purpose, object-oriented programming language. It was developed and intended to follow the WORA concept which means Write Once Run Anywhere i.e. compiled Java code can run on all platforms that support Java without the need for recompilation. Java offers various applications in the area of mobile development, web application development being the major areas. Apart from this, it has applications in Desktop applications, Web servers and application servers, games, database connection. It also offers its support in embedded systems and scientific applications.
It is selected by most developers for their projects because of their following applications:
- Platform independent
- Architecture neutral
- High Performance
To know more about Java, Checkout this blog post.
Java IDEs to Start Building Projects
There are plenty of Java IDEs and online editors for you to begin developing Java projects. The list below mentions popular editors and IDEs.
|Dr. Java||Online GDB|
For detailed information about IDEs and editors, you may want to read Java IDEs.
Best Java Projects
1. Smart City Project
Smart City project allows tourists & other visitors of the city by providing information about hotels, transportation facilities, air ticket booking, shopping details, city news etc. Hence it serves as a guide of the city to city visitors. It is a web based software developed in Java Programming language that solves most of the problems that any new visitor faces when coming to a new city like path finding, hotel searching, ticket booking and more.
Source Code: Smart City Project
2. Currency Convertor
Different countries have different currencies and these currencies have daily variations relative to one another. People must be updated with the latest currency exchange rate while money transfer. So, currency converter is a mini-Java project that provides a web based interface for exchanging/converting money from one currency to another. It is developed using Ajax, Java servlets web features. Such applications have uses for business, shares & finance related areas.
Source Code: Currency Converter
3. Number Guessing Game
The fun and easy project “Guess the Number” is a short Java project that allows the user to guess the number generated by the computer & involves the following steps:
- The system generates a random number from a given range, say 1 to 100.
- The user is prompted to enter their given number in a displayed dialogue box.
- Computer then tells if the entered number matches the gusses number or it is higher/lower than the generated number.
- The game continues under the user guessing the number.
You can also incorporate further details as:
- Limiting number of attempts.
- Adding more rounds.
- Displaying score.
- Giving points based on the number of attempts.
Source Code: Number Guessing Game
4. Brick Breaker Game
Brick Breaker game consists of bricks aligned at the top of the screen. The player is represented as a tiny ball that is placed on a small platform at the bottom of the screen. The platform can be moved around from left to right on the screen with the help of arrow keys on the keyboard. The player uses the platform to keep the ball running. The goal is to break the bricks without missing the ball with your platform. The project makes use of Java swing, OOPS concepts and much more.
Source Code: Brick Breaker Game
5. Data Visualization Software
The presentation creation and visual representation of data in graphical or pictorial format are referred to as Data Visualization. Data Visualization has become an active field of research & development by being closely related to information graphics and visualization, statistical graphics and scientific visualization.
The project displays the node connectivity in networking in data visualization form. This node connectivity can be located at different locations via mouse or trackpad. The project has the following goals & objectives:
- Effective and Clear Communication of information using graphical & pictorial means.
- It should have both functionality and Aesthetic.
- It should convey ideas effectively & provide necessary insights into complex sets of data & information.
Data Visualization software makes it easier for the user to understand & grasp the information when they are displayed or represented as charts or graphs rather than report pages.
Source Code: Data Visualization Software
6. ATM Interface
We have all come across ATMs in our cities and it is built on Java. This complex project consists of five different classes and is a console-based application. When the system starts the user is prompted with user id and user pin. On entering the details successfully, then ATM functionalities are unlocked. The project allows to perform following operations:
- Transactions History
Source Code: ATM Interface
7. Web Server Management System
Named as “E-Space” this webserver management system project deals with the information, maintenance and information management of the webserver. Web servers are considered the worthy solutions for the companies in this world of fast-moving e-Commerce websites to make their products available over the web.
The project provides solutions for company’s activeness on the internet by providing server maintenance of the company.
The project has the following objectives:
- To identify if the consumer is an individual, business entity or just another web server.
- Trace the physical location of the individual, business entity or web server.
- Identify URL Authorities & URL Names.
- Maintain relationships between consumers & company’s web services.
Source Code: Web Server Management System
8. Airline Reservation System
The project is web-based featuring open architecture that means the app keeps up with the dynamic needs of the airline business by addition of new systems & functionality. The project includes online transaction, fares, inventory & e-ticket operations.
The software consists of four key modules i.e. user registration, login, reservation and cancellation. The app allows communication through a TCP/IP network protocol thereby facilitating the usage of internet & intranet communication globally.
The main features of the project are:
- Reservation & cancellation of the tickets.
- Automation of system functions.
- Quick customer responses.
- Perform transaction management & routing functions.
- Maintain passenger records.
Source Code: Airline Reservation System
9. Online Book Store
This project is mainly developed for bookstores & shops to computerize the book purchasing process as with the development of technology the working mechanism in all stores is under the process of digitization. The aim of the project is to create an efficient & reliable online bookselling & buying platform to help both buyer and seller. It saves buyer time by facilitating access from anywhere & providing home delivery service.
The proposed web-based project also records sold & stock books automatically in the database.
The main features of the project are:
- Security: Only registered users can access the Database.
- Books can be grouped based on the price, title etc.
- The ordered books are safely delivered.
- The project is fast & efficient for both the store manager and customer.
- The project should be reliable to carry online transactions.
Source Code: Online Book Store
10. Snake Game in Java
If you are a 90’s Kid or an adult you have probably played this game on your phones. Have you ever thought of building this game? The goal of this game is to make the snake eat the tokens which are its food w/o the snake being touched to the boundary on the screen. Every time the snake eats the token the score is updated. The player loses when the snake touches the boundary & the final score is displayed.
Source Code: Snake Game in Java
That brings us to the Java projects that we encounter in our daily lives. Be it playing games, withdrawing money from ATMs, or shopping online or even reserving an airline ticket Java code helps through all these tasks. Java is a robust and secure language and that is what makes it developers’ favourite to carry out such projects. Gaining a fluency to code in Java opens doors to many opportunities. So gear up and try these projects to build up your profile in Java. You could also share your attempt vis GitHub in the comments below. Did you try any other fun project? Let us know and share it with the community.
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