Java Builder Pattern Explained in 3 Minutes

Java Builder Pattern Explained The builder pattern in Java is a powerful way to construct objects with many fields. A Java builder lets you provide a flexible way to objects without combinations of telescoping constructors. This video explains why the builder exists, why it's better than java beans, and how to implement a builder in Java with advanced validation, including an advanced builder with a fluent api created with interface chaining. Support me on Patreon: https://www.patreon.com/jackhodkinson Source code: https://github.com/jrhodkinson/youtube-190-builders 00:00 What is a builder in Java? 00:37 Java beans 00:56 Simple Java builder 01:19 Java builder with validation 01:33 Java builder with required fields 02:13 The dark arts