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Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Jan 21, 2025 · Backend Development

Design and Implementation of a Lightweight TimeTracker Utility for Java

This article introduces a concise and elegant Java TimeTracker utility class that leverages AutoCloseable, try‑with‑resources, and functional interfaces to provide flexible performance monitoring, automatic duration calculation, and configurable exception handling while reducing repetitive timing code.

AutoCloseableException HandlingJava
0 likes · 14 min read
Design and Implementation of a Lightweight TimeTracker Utility for Java
Java Architect Essentials
Java Architect Essentials
Jul 19, 2024 · Backend Development

Unified TreeNode Utility Class for Multi‑Level Menus, Comments, Departments, and Categories in SpringBoot

This article explains how to create a unified SpringBoot utility class that builds hierarchical structures such as multi‑level menus, comments, departments, and categories, discusses database design choices like the optional tree_path field, provides a detailed ITreeNode interface, implementation of TreeNodeUtil with code examples, and demonstrates testing and filtering scenarios.

JavaMulti-level MenuSpringBoot
0 likes · 12 min read
Unified TreeNode Utility Class for Multi‑Level Menus, Comments, Departments, and Categories in SpringBoot