Java: How to Convert Integer, String, Float, and Double to BigDecimal If you haven't yet needed this, you will eventually.
Angular: How to Extract Just the Email Address From an Email String In this guide, I'll teach you how to trim the fat.
Java Streams: Use Collectors.join() to Easily Assemble Strings Sometimes, all you need to do is go "old school" and just concatenate a bunch of strings. You can easily do that with Java Streams and Collectors.join().