Discover gowthamrajk/SDLC Open Source project

It is a Live chatting Application used for Group chats which has been developed by me using springboot, Websockets, STOMP protocol & message broker mechanism

SpringChattingApplication

This is an Online Blood Bank Management Application developed using springboot and Angular 12 with spring security & JWT token based authentications

BloodBankManagement

This is an Online HealthCare Management Application developed using SpringBoot and Angular 12 with spring security & JWT token based authentications

HealthCareManagement

This is a java console Application where you can book Appointments to a doctor based on their available timings. some features In-Built in this application is admin validation, patient booking, checking doctor's availability, display booking details, entering doctors availability

Doctor-Appointment-Booking-Application

It is a Console based JAVA application which gives the workflow of a Parking area Process. it has various features like car parking, un-park cars, admin/user authorization, ratings for service, finding empty slots, etc..

Car-Parking-Application

Library Management System using Spring Boot

LibraryManagementSystem

This module is about how to do Logging in springboot using Logback and SLF4J

SpringBootLogging

This module explains about the example of Spring MVC + Database Integration with MySQL using Hibernate ORM with practical coding example and required JAR dependencies

SpringMVC-Database-Integration

This module is about SpringBoot CRUD operation Demo with Exception Handling, with the MySQL database with Hibernate ORM and Spring Data JPA.

SpringBoot-CRUD

This module is about Spring MVC application with Hibernate Template to interact with the MySQL database

SpringMVC-HibernateTemplate

WebSeries Application Using Spring Boot

WebSeries-Application

This module is about Spring MVC application with JDBC Template to interact with the MySQL database.

SpringMVC-JDBC_Template

A complete learning platform for java programming from scratch to advanced and practicing programming's. it has an inbuilt compiler, different sectional of programs and concepts to learn like advanced programs, easy programs, moderate level programs, data structures , oops concepts, matrix, pattern printing, heap, stack, queue, linked list, arrays, collections, strings, JDBC, trees, functions in java, reference materials, learning tutorial videos, etc...

CODE-JAMM

Hibernate-Demo

This module gives you an overview about Hibernate ORM and the practical implementation of the basic operations and mappings done using Hibernate ORM, and its integration with MySQL database

This is a simple Console based application which gives a demo of a Pizza Store using Object Oriented principles

PizzaStore-ObjectOrientedDesign

This is an application that Explains about the logical working of ATM Operations such as deposit money, withdraw, check balance, etc...

ATM-Transaction

This repository will contain some study materials and turorial links for various certification exam preparations

AutomationTestingKit

CertificationExamKit

Employee-Management-System_MVC-JDBC

This modules is an example of a Console based Employee Management System using MVC Design Pattern & JDBC + MySQL. It gives a practical demo explanation as how to connect our java application with the database using JDBC and proper MVC layered architecture as model, repository, service layers.

JAVA 8 Features & streams API -> all the Functions and Concepts with their individual Code Implementation

StreamsAPI-Tutorials

In this Repository, you will be able to find all the Java related materials and example programs topic wise for your ease of understanding

Java-Development-Guide

UNIX-LINUX-Reference-Guide

In This module, I will be adding some Basic UNIX commands and its reference guide to kick start with the UNIX Operating System easier and some useful tutorial References.

HospitalSystem-ObjectOrientedDesign

This is a simple Console based application which gives a demo of a Hospital management application using Object Oriented principles

In this repository, I will be posting contents to learn about UML diagrams and practical examples for all the UML diagrams which I have designed using Lucid Charts

UML-Diagrams

Banking-Application

This application is about the logical flow explanation of how a Banking System works using Java OOPS concept with the features as credit, debit, create new account, check balance, view previous transactions, rating to the service, etc...

This is my JSTL Tutorial which is about JSTL (JSP Tag Libraries) that gives you a clear understanding about all the JSTL tags and their functionalities with practical code implementations for each tags

JSTL-Tutorials

It is a QUIZ Application which contains C and Java based MCQ’s, Learning resources with Timer and navigation proctoring facility. Login and Registration, User based Test summary Report are features using Firebase Database and Firebase authentication.

quiz-corner

In This module, I will be adding some Oracle Database Architecture Overview & contents with popular and useful tutorial sections which could be very helpful for a beginner to kickstart career in Oracle DB management

Oracle-Database-Architecture

Notifier

A web application to make note your daily tasks and schedules remainders, end-dates, get remind on that particular day in the dashboard when user logs in anytime.

This module consists of some programs in pointers and structure concepts and some concepts that will be asked in the interview perspective.

Structure-and-Pointers-in-C

SpringBoot-MongoDB-CRUD

This module explains about the example of Spring Boot + MongoDB Integration using Mongo Repository Interface with practical coding example and required dependencies.

It is a simple web page which demonstrates how to generate custom CAPTCHA codes by yourself and verify them. The code will be re-generated automatically once in every 6 seconds of successful verification

CAPTCHA_verification_with_javascript

This module explains about the example of Spring Boot + MongoDB Integration using Mongo Repository Interface and Explaining about the Embedded Relationship (One-To-Many) and (One-To-One) with practical coding example and required dependencies.

SpringBoot-MongoDB-EmbeddedRelationship

This is a simple Console based application which gives a demo of a shopping cart application using Object Oriented principles

ShoppingCart-ObjectOrientedDesign

This is an Angular Application to demo a Course List display logic with some basic UI design.

CourseList-AngularApplication

This is an application that Explains about the logical working of ATM System such as deposit money, withdraw, check balance, transaction history, etc... with proper denominations.

Python-Development-Guide

ATM-System-with-Denominations

This module gives a demo on Abstract Factory Design Pattern in JAVA with its implementation code, why to use it, where to use it, advantages & disadvantages, how to implement, etc...

Abstract_Factory-Design_Pattern

This module consists of various most commonly used sorting algorithms that are very much useful in realtime developments and their time complexity analysis.

Sorting-Algorithms

This module has all the interview asked concepts and logical Programs regarding BINARY SEARCH TREE (BST) in JAVA

Binary-Search-Tree

This module consists of Some Important and Basic Concepts of JUNIT-5 (Unit Testing) which is very much supportive for testing our Code with multiple test scripts in Eclipse/Spring framework.

JUNIT-5_Basics

Customer Log Application using spring Boot

CustomerLogApplication

A web app to track daily work, schedules and to remind the user.

Notes_Maker

This module has some Advanced concepts and Programs related to Graph Theory in Java with program implementations

Graph-Data-Structure

This module is about the demo of creating a Maven Project and Interact with the database using JPA Persistence, Entity Manager Factory & Named Queries.

JPA-Persistence-Demo

A simple animation project to demonstrates the text animation effects as water waves with pure CSS effects.

Water_Text_Animation

This is a console based application where you can visualize the hand-cricket game. players can fix their target runs and play against the computer as oponent. wickets will be counted and runs will be displayed at each play.

Hand-Cricket-console

In This module, I will be adding some PL/SQL contents and its related source materials with popular and useful tutorial sections which could be very helpful for a beginner to kickstart career in SQL & PL/SQL career

PLSQL-module

JAVA-Design-Patterns

Java Design Patterns & their Code implementation

This Module consists of several problems in Linked List and some Optimized solutions like Floyd's algorithm for loop detection, merge sort, insertion sort, etc..

Linked-List-Problems

This is a simple Console based application which gives a demo of a ATM System with Multiple Accounts using Object Oriented principles

ATM-MultipleAccounts-ObjectOrientedDesign

It is a simple Web Page to give a demo about how Day and Night Toggle switching works with the contents and background in my profile card using pure CSS

Day_Night_toggle-Pure_CSS

This application is about the logical flow explanation of how a call taxi booking system works using Java OOPS concept

Call-Taxi-Booking-Application

This application is to books seats in a Theatre which has several shows running at a time. This includes various features like booking seats, check availability of seats, adding seats, admin and user validation, checking booking history, etc...

Theatre-Seats-Booking-Application

COVID-19-Tracker

A new Corono Tracking Application That can track the Covid19 status worldwide, country wise and update for every 15mins. It has several features like worldwide tracking, country tracking, emergency helpline numbers for every state, donating fund to PMcares and CMcares, symptoms, precaution measures, immunity boosting food, locating nearby hospitals, etc...

Java-Messaging-Service

This module is about Java Messaging Service (JMS) API where you will be having a clear Idea about What is JMS, where and How to use it & example programs with explanations about some JMS service providers like ActiveMQ, RabbitMQ, etc... with proper reference e-books and tutorial links

weather_app

It is a Weather Prediction application which can fetch your the input location's current weather, minimum and maximum temperatures, humidity, wind speed and the pressure feeling in an attractive UI design

It is a basic console application using Object Oriented Principles. Farmers can directly deal with the retailers without having a moderator. Farmers can bid their product and the good product can be taken by the retailers with certain affordable base price.

Farmer-And-Retailer-Application

This is an E-pos portal where you can find your bank account transcription statements. the user can upload some documents consisting of their bank transaction statements. on successful uploading, they can find options to view their bank balance, search the transactions based on date, based on account number and other entities ans get their transcript statements downloaded as PDF, word, Excel formats. An additional feature is that they can also rate our services and provide feedback for our services and those feedback will be registered in our database and confirmation mail will be sent to the given mail id and SMS to their phone number. They can also share their transaction history to the required MAIL ID. This includes two modes as (direct transaction, uploading transaction statements and get the transcript scripts). this is completely a secured operation where the users are provided with unique registration and login credentials through which only they can access the portal after registering to it.

E-Pos-Portal

This is an Angular Application to demo a Quiz logic with some basic UI design.

Quiz-AngularApplication

This is my Own Github Profile with all extra features and Description of myself

gowthamrajk

RecipieCard-AngularApplication

This is an Angular Application to demo a Recipie Card logic with some basic UI design.

This is a Java Based Console Application Game which exactly replicates TIC-TAC-TOE with dual player option

Tic-Tac-Toe

This module consists of Various Concepts covered in JAVA8 Functional Programming & its practical code implementation

Functional_Programming-Tutorials

ExamHall_Availability_check-Angular

This is an Angular Application to demo a Exam hall availability checking application logic with some basic UI design.

This is an Angular Application to demo a movie description application logic with some basic UI design.

Movie_Description-Angular

This is my own Profile portfolio page where you can find some interesting facts about me, my works and my skillset

gowthamrajk.github.io

This web page gives you a demo of creating a vertical tab for navigation between section in a container using pure CSS

Vertical_Tabs_CSS

This module consists of various attractive CSS effects and its demo with some colourfull UI features and astonishing animations

CSS_Animations

It is a new web application which helps you to create you own QR codes for any kind of texts and also scan any type of QR codes with text and hyperlink for the decrypted content.

QR-GeneratorAndScanner

This is an Angular Application to demo a Simple angular registration form with some basic UI design.

Simple-Angular-Registration-Form

This is a Multistep based User Registration Form where you can signup as a new user with multiple steps side by side as sliders.

MultiStep_Registration_Form

This module is about Drag & Drop, Drag & Copy Demo using HTML5 & JS event handlers with practical code example

Drag-Drop-Copy-HTML5

JavaScript

GuessNumber-AngularApplication

This is an Angular Application to demo the guessing a number logic with some basic UI design.

A New web application named TODO application🗒️ which can be your new friend to make list of activities you have to do on a particular day 📌( a new friend to make a note of your activites as notes)

TODOapplication

Its is an Emoji based Stars Rating Widget where you can rate stars and see the emoji reactions for it which is Designed by Pure CSS

Emoji_Stars_Rating_Widget

It is a retrofit for healthcare bottles used in the hospitals to control the flow of drips automatically. when the nurse from the nurse station fails to monitor the drips of patients, our product gives an system alert and audio alert at various stages to the nurses and as a message to the patients as ( 25%,50%,75%) of completions. when the limit comes below few ml, our product gives a final alert to the nurses as well as the caretakers and then automatically turns off the flow of drips in order to stop the reverse blood flow and air bubble formation in the blood vessels which can end in severe heart attack also .

dripon

This module is about Loggers (log4j) in Java with its practical example and reference notes, sample log files generated out of the demo

Log4j-Tutorials

This is a Random Password Generator where you can generate your customized passwords randomly with different constraints as uppercase, lowercase, length, numbers, special characters and copy the generated password.

Random_Password_Generator

A simple jQuery animation project to demonstrates the working of a Progress Bar with Percentage of Progress and title indication

ProgressBar_Animation_With_jQuery

It is a image to text convertor application where you can take a pic with camera or upload images from galary and then crop the images as per the requirement and convert it as text easily. the entire texts in the images will be displayed to the users along with the source image in the output page.

Image-to-Text-Convertor

HTML_Tricks

This module consists of some HTML Tricks and Tips which helps you to improve your HTML knowledge

JavaScript

TODOlist-app-Angular

This is an Angular Application to demo a TODO list application logic with some basic UI design.

It is a responsive web application✨ named GIT FETCH which can fetch you the GitHub user profile information's📄, repository information's📃, followers📑, location📌, etc... by just giving the user name (either it can be uppercase or lowercase). If it's is an invalid username, it will display an error message.

gitfetch

JavaScript

egg_care

A retrofit product for poultry industries. a smart fit for poultry incubators/hatcheries which can make them automated completely, eliminating the labor cost, wastage of eggs, manual errors and increase productivity for every slot of incubation

This is a sanitary napkin vending machine where people can get their napkins during their emergency periods any time and anywhere. this can be placed in any public places. on inserting coins or generating coupens and paying to that they can get the pads and use then effectively at an affordable cost . the main aim of this product is to make the availability of pads anytime and anywhere to the people so that they need not go somewhere and search for pads during their emergency periods.

Sofy-Bolster