Multi-level

Code Ape Tech Column

Jun 9, 2025 · Backend Development

Build a Unified SpringBoot Tree Utility for Menus, Comments, and More

This guide explains how to design a database schema with optional tree_path, define a generic ITreeNode interface, implement a versatile TreeNodeUtil class in SpringBoot, and demonstrates comprehensive tests—including building, filtering, and path generation—for reusable multi‑level structures such as menus, comments, departments, and categories.