Tagged articles

Utility Class

4 articles · Page 1 of 1

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.

Exception HandlingLambdaUtility Class

0 likes · 14 min read

Design and Implementation of a Lightweight TimeTracker Utility for Java

Test Development Learning Exchange

Sep 5, 2024 · Backend Development

Build a Clean, Efficient MySQL Utility Class in Python

This article walks you through designing a lightweight, high‑performance MySQL helper class in Python, covering singleton connection management, robust exception handling, logging, context‑managed connections, and practical query/execute methods with example code and usage scenarios.

DatabaseMySQLPython

0 likes · 7 min read

Build a Clean, Efficient MySQL Utility Class in Python

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.

Multi-level MenuSpringBootTree Path

0 likes · 12 min read

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

ZhiKe AI

May 8, 2021 · Fundamentals

A Reusable Java Utility for Building Tree Structures

This article shares a generic Java utility class that recursively constructs hierarchical tree structures from a flat list by using functional interfaces to identify parent‑child relationships, optionally sorting nodes, and providing a flexible way to set child collections.

CollectionsRecursionTree Structure

0 likes · 4 min read

A Reusable Java Utility for Building Tree Structures