With Indonesia's coastlines disappearing as seas rise and land sinks, some are concerned the government's plan to help coastal communities with a massive $80 billion seawall isn't the right solution — ...

Add a description, image, and links to the hackerrank-java-solutions topic page so that developers can more easily learn about it.

Passing the AWS Certified Solutions Architect Associate exam is one of the most powerful ways to demonstrate your ability to design secure, reliable, and cost-effective applications in the AWS Cloud.

HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications.

The String.split methods can be very convenient for easily splitting a provided String based on a provided regular expression String. The only trick is figuring out a regular expression token to use ...