A few months ago, I shared an article about what I called Java functional builders, inspired by an equivalent pattern found in Go. The main idea was to have builders that looked like this example:

LanguageModel languageModel = new LanguageModel(
    name("cool-model"),
    project("my-project"),
    temperature(0.5),
    description("This is a generative model")
);

Compared to the more tranditional builder approach:

• You’re using the new keyword again to construct instances.
• There’s no more build() method, which felt a bit verbose.

Compared to using constructors with tons of parameters: