Discover @K-Konstantinidis Open Source projects

Ntinos (@K-Konstantinidis)

K-Konstantinidis

Stars
86
Global Rank 231,664 (Top 8 %)
Followers 26
Following 24
Registered about 3 years ago
Most used languages

C
43.5 %

Java
34.8 %

Solidity
8.7 %

Python
6.5 %

HTML
4.3 %

PHP
2.2 %
Location 🇬🇷 Greece
Country Total Rank 459
Country Ranking

Solidity
7

Java
57

C
63

PHP
292

HTML
421

Python
607

Student-Management-System

A Management System for a school with UI. You can create a new student, create a new course, add students in the courses and see the details of each course.

Email

Send Emails through Java with UI. Very fast - Very easy. No need to open a browser and connect to your email!

Basketball-League

A Mobile App with: 1) An easy & fast to use live-game management system 2) A user side to watch live games, team & player stats and a lot more. Also a Web App to choose your teams and create your own league. The given league is fictional but the teams, names etc. are from teams & players who are part of the Greek Basket League which is run by HEBA.

Dungeon-Run-Game-RPG

A (text based rpg) dungeon run game with UI and sounds.

Create-An-ERC20-Token

Create your own ERC20 Token. Python scripts to deploy the contract.

Bank-Account-Management

A Java project to create bank accounts (Regular or with interest) with methods for deposit, withdraw and transfer with UI.

School-Student-Management

A simple management system for the students of a school. You can: 1) Add new students 2) Search for specific ones 3) Search for them using their grades 4) See all the records of the students in order.

Freecell-Solitaire-Solver

Solve any FreeCell Solitaire puzzle with 1 of the 4 different path finding algorithms: Breadth 1st Search, Depth 1st Search, Best 1st Search, Astar Search.

Social-Network

A Java project for a Simplified Social Networking System with UI. It is a simple social network like Facebook with an add on of Potential infections.

Fully-Secure-Contact-Us-Page

A fully secure administrator page to manage both your website and records in your database. Also a fully secure and functional contact us page for your website.

Smart-Contract-Lottery

Smart contract that creates a lottery where anyone can enter. Only the owner of the contract can start/end the lottery. Python scripts to deploy, start, enter, fund & end the contract. Python tests to test the contract.

Breakout-Ball

A java project for the game Breakout Ball with UI and score.

Electricity-Consumption

This is a simple C project, to find how much is the payment for electricity consumption.

City-Temperatures

This is a C project. The user inserts the temperature of 5 cities, and the program shows the national average temperature, the average temp. of every city and the max deviation from the national avg temp.

Snake

The game Snake.

Chatting-Service

A chatting service for 2 people.

Random-Number-Generator-App

A Random Number Generator Application (RNG App).

Score-4

A Java project for the Score-4 game.

Josephus-Problem

This is a C project that solves and displays the whole process of the Josephus problem.

Clock-Stopwatch

A Java project that creates a clock which can turn to a stopwatch and vice versa with UI.

BMI

A very simple C project to calculate your body mass index (BMI).

Flappy-Bird

A Java project to create a game like flappy bird.

Text-Based-Dungeon-Run

A Java project for a text based dungeon run.

Weekly-Salary

This is a C project, to find the weekly salary of your employees.

K-Konstantinidis

All-About-Coffee-Website

This is a website, without the help of Bootstrap. It has 6 different pages, and everything is about coffee. There is neither Javascript nor PHP.

Rent-Amount

This is a C project to find the cost of rent plus the heating cost the tenants of each apartment have to pay.

BestTime

Given the arrival and departure hours of each band in a festival, this program will find and show the best time to go!

Armstrong

This is a C project that finds and displays the Armstrong numbers between 1-999.

Universal-Sets

This is a c project. The user will insert characters and create 2 differents sets (S and T). Then a series of messages will appear, showing: The 2 sets, if they are equal or one of them is a subset of the other, their union, their intersection and their difference.

Store-Data-Brownie

A smart contract to store and retrieve a value. Python scripts to deploy the contract & retrieve the most recent deployment. Python tests to test the contract.

Store-Data-Web3.py

A smart contract to store and retrieve a value. A python script to compile and deploy the contract

Simple-Store

This is a very simple version of a web store, without the help of Bootstrap. It has 2 different pages. There is no PHP. Also you are not allowed to buy something from the store, you can only see the total cost.

Ascending-Descending-Order-List-With-Nodes

This is a c project, in which the user inserts an amount of numbers(between 1-20) and the chose wither to see the ascending order or the descending order. The program solves the problem with the use of nodes and a list.

Basketball-Points

This is a C project, that reads from a file the number of a player, their full name and the points they scored. After that, a new file is created with the full name of the players & their points. Beneath that are the total points scored and the number of the players with 10 or more points scored.

Magic-Square

This is a C project. The user inserts 2 numbers, and then the program creates and shows the magic square that these 2 numbers create.

Simple-Log-In-System

This is a c project. There is a file with some usernames and their passwords. After running the programm, a Hash List will be created and the recordings of the file will get inserted in the List. Finally the user will try to log in by giving their username and password.

Fund-me-Brownie

Smart contract that lets anyone deposit ETH. Only the owner of the contract can withdraw the ETH. Python scripts to deploy the contract, fund the contract and withdraw the money. Python tests to test the contract.

Store-Data-Remix

Store a person with their favorite number and retrieve the stored value. This is the first 2 projects from: freeCodeCamp.org tutorial, with more comments.

School-Absences

This is a C project, that reads from a file the full name of the students, the number of the times they were absent and the name of the area where their home is. After that, a new file is created with the full name of the students & the number of the times they were absent, if the number is bigger than 100. Beneath that, ia the number of the students and underneath that is the number of the students with absences > 100.

Fund-Me-Remix

Smart contract that lets anyone deposit ETH into the contract. Only the owner of the contract can withdraw the ETH. This is the third project from: freeCodeCamp.org tutorial, with more comments.

Validity-Of-Numeric-Expression

This is a C project in which the user enters a numerical expression. Most of the numerical expressions will contain some or all of these characters: '( )', '[ ]', '{ }'. Sadly, there are a lot of times where someone types the expression but forgets to open/close a bracket or closes the brackets in a wrong order, making the expression invalid. The purpose of this program is to check if the numerical expression is valid (if all the brackets have been opend and closed correctly).

BST-Ceiling-Floor

This is a c project in which the user enters an amount of numbers (>2) and then these numbers get inserted in a Binary Search Tree (BST). After all the insertions, the user enters a number and the program displays in the console the ceiling and the floor of that number.

Dentist-Appointments-With-Hashing

This is a c project. In this project, with the use of HashLists, an imitation of a database is being created. After that, a menu appears in the user screen, and the user enter their choice. They can create an appointment by adding the name, one of the 3 provided services and the amount of money the customer has paid, they could also search for a client to see their appointment or they can just exit and terminate the program.

Fibonacci

This is a C project that finds and displays the fibonacci sequence. The user inserts the mount of numbers they want to see and then the sequence is going to be displayed on their screen.

List-To-Insert-Students-In-Nodes

This is a c project in which the user enters an amount of students that will be inserted in a list. The user enters the ID of each student and their final grade. After each insertion the list will be displayed with its contents. The user also has the option to delete an entry.

Visual-Representation-Of-BST-Levels

This is a C project in which the user enters a word and with the help of a binary search tree the program finds and shows the level of each letter, the minimum letter and the maximum letter.