/StreamAPI-grouping-utility

A simple and reusable Java utility to group lists of objects based on multiple hierarchical criteria.

Primary LanguageJava

Grouping Utility

A simple Java utility for hierarchical grouping of objects using multiple criteria.
This example project demonstrates how to group data by multiple levels — such as University → Main Domain → Language Domain → Students

📌 Features

  • help to detribute student data according their Departments ,Domain and their programing languages
  • Multi-level grouping (e.g., University → Main Domain → Language Domain → Names)
  • Easy to extend for any entity (Sports, Employees, Projects, etc.)

Use

Java collections and streams API.

output

DEPSTAR:
   Java -> Tirth
   AI/ML -> Harshit, Krish
   Cloud -> Prince
   OS -> Kavy
CSPIT:
   Python -> Nikunj
   Cloud -> Raxeet

usage

  1. Clone the repository: 
    git clone https://github.com/Tirth-22/grouping-utility.git
cd grouping-utility
  1. Compile and run: 
    javac -d out src/model/*.java src/service/*.java src/Main.java
java -cp out Main