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Suppose I have a (DTO style) class with a field that is a list: public class MyClass { private List<String> stuff = new LinkedList<>(); } There are a few choices to allow mutation of the field: …

In your example of the horse prediction strategy, you have mixed strategy and history analysis. The solution is to record the horse history somewhere else, and simply replace the existing strategy wi …

The decorator pattern applies here because BufferedReader wraps a Reader - it's still a Reader (it has all the methods of Reader), but it has more "bells and whistles" (more methods). Here's an examp …

Java method declarations can be quite long (especially with generics) - there's no need to make them any longer. …

I think it's very important to do this. Here's why: It makes your source control diffs show just actual code changes, and all but eliminates "diff noise" due to whitespace and other insignificant fo …

Is it an anti-pattern to depend on a particular order of an enum's instance declarations? For example, consider: public enum CompassPoint { North, East, South, West; } These points …

I have 2 JVMs on the same machine that I want to pass about 1Mb of (serializable) data between ideally in under 5 ms. Under load, using HTTP to localhost takes about 70ms average. I tried hazelcast, …

Suppose I have a stream of Things and I want to "enrich" them mid stream, I can use peek() to do this, eg: streamOfThings.peek(this::thingMutator).forEach(this::someConsumer); Assume that mutating th …