Karthik Koppera

Portfolio Website

A personal portfolio built using HTML and CSS, showcasing my skills and projects.

Java Programs Collection (Core Java, Arrays, Strings, OOPS)

Implemented programs covering arrays, strings, loops, recursion, and OOPS.

Practiced modular coding, debugging, and algorithmic problem-solving.

Applied object-oriented principles like inheritance, polymorphism, and abstraction.

Add-to-Cart Product System (HTML, CSS, JavaScript)

Built a mini e-commerce app with add, remove, filter, and sort product features.

Implemented dynamic cart updates (item count, total price) with DOM manipulation.

Improved UI/UX with responsive layouts and interactive design.

Lottery Game (HTML, CSS, JavaScript)

Created a browser-based lottery game with JavaScript randomization logic

Applied event-driven programming for interactivity.

Designed an engaging UI with CSS animations & responsiveness.

User Login System (Java, JDBC, Servlets, Database)

Developed a secure login/registration system with Java, JDBC, and Servlets.

Integrated with SQL database for storing and validating user details.

Designed a user-friendly frontend using HTML & CSS.