While the Hashtable was part of the initial Java release over two decades ago, the HashMap is the correct key-value store to use today. One key HashMap vs. Hashtable difference is the fact that the ...

Community driven content discussing all aspects of software development from DevOps to design patterns. There are several ways to find duplicates in a Java List, array or other collection class. The ...

It came to our attention that the Java application blocker is prompting that self-assigned or untrusted applications have been blocked due to security settings. Due to this issue, some of the ...

This is a simple Java console application for an online shopping system. It allows users to log in, buy products, cancel products, display all products, and log out. The application uses a HashMap to ...

A colleague of mine recently ran into an issue that I have not run into myself, but found to be interesting and, in my opinion, worth blogging about here. During some distributed Java development, my ...