This repository contains a Core Java–based application built to demonstrate strong fundamentals of Object-Oriented Programming (OOP) including encapsulation, inheritance, polymorphism, abstraction, and exception handling.

This application created in Eclipse using oops, exception, collection concepts.

Program for calculating grades of multiple students as one group

A driver class hard coding employee data into an array of objects. then the program will display in the order of increased salaries the names of the employees with salaries between 40k and 60k.

A program with a list of 100 employees with the user entering each one's name, age, salary. then typing the list of them. also, putting people with 40k to 60k salary in another extra list.