See an example of how class annotations can be inspected via reflection.

MySQL provides a mechanism to alter the user properties, thereby allowing you to lock the user account.

Learn how to call a private constructor from outside its class.

When dealing with large lists of information, we, as developers, sometimes need to copy them, then add commas manually. See a neat trick to automatically add the required commas.

See how to spin threads quickly and execute tasks in parallel using the ThreadPoolExecutor.

Learn how to use IntStream to extend the char values from a String.

Java provides you with a zip package that can be handy in compressing large files for distribution or backup.

See how to find a specific data type across all tables and columns in a database.

Learn a quick way to figure out whether TLS 1.2 is enabled or not.

Auto_Increment can be tricky to use in MySQL, learn more about how it works.