Java Builder Pattern Explained in 3 Minutes

Опубликовано: 15 Июнь 2025
на канале: Jack Hodkinson

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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.

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Source code: https://github.com/jrhodkinson/youtub...

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