Quick Tips

See what happens when you pass a double as argument when constructing BigDecimal objects in Java. If you have any questions, leave a comment or ask me on my social media.

Here’s how to create a lazily initialized singleton in Java. If you have any questions, leave a comment or ask me on my social media.

Here’s how to use Callable and Future to run parallel tasks in Java. If you have any questions, leave a comment or ask me on my social media.

Here’s how to sort a Map by its values in Java. If you have any questions, leave a comment or ask me on my social media.

Here’s how to use an in-memory file system in your tests with Google’s Jimfs. If you have any questions, leave a comment or ask me on my social media.

Here’s how to create a valued Enum in Java. If you have any questions, leave a comment or ask me on my social media.

Here’s how to create a thread pool to run tasks simultaneously and reuse threads in Java. If you have any questions, leave a comment or ask me on my social media.

Here’s how to format a message in Java using MessageFormat. If you have any questions, leave a comment or ask me on my social media.

Here’s how to use CompletableFuture to run a task asynchronously in Java. If you have any questions, leave a comment or ask me on my social media.

Here’s how to create a list with filtered items from other lists. If you have any questions, leave a comment or ask me on my social media.