Java: How to Find Duplicate Elements from List?

The method add of set returns a boolean whether a value already exists (true if it does not exist, false if it already exists, see Set documentation). So just iterate through all the values. Java Code:

  Output:

How to Build Database driven RESTFUL API Applications with Flask, Flask-RESTFUL and Angularjs’s $resource service

In this tutorial I will describe how you can Build a RESTFUL API CRUD(Create, Read, Update and Delete) application with the Flask Python Micro-framework, and the Angularjs $resource Service. I be will using the Flask-RESTFUL API extension to create an API backend and then use Angularjs’s $resource service to communicate with it. Prerequisites This Tutorial is for users who are familiar … Read more…