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Selected Java Interview Questions

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Latest from Selected Java Interview Questions

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Selected Java Interview Questions

Sep 14, 2025 · Backend Development

Mastering Spring Boot with KingbaseES: Which Connection Pool Wins?

This article explains the importance of database connection pools in Spring Boot projects using KingbaseES, compares four popular pools (DBCP, C3P0, Druid, HikariCP), provides configuration examples, highlights common pitfalls, and offers practical tuning and monitoring guidance for optimal performance.

Database Connection PoolDruidHikariCP

0 likes · 18 min read

Mastering Spring Boot with KingbaseES: Which Connection Pool Wins?

Selected Java Interview Questions

Sep 12, 2025 · Operations

Mastering Nginx Timeouts: Complete Guide to All Timeout Settings

This article explains every Nginx timeout directive, shows practical configuration examples for client, proxy, FastCGI and other timeouts, and provides best‑practice recommendations to improve server stability and performance across different application scenarios.

ServerTimeout

0 likes · 8 min read

Mastering Nginx Timeouts: Complete Guide to All Timeout Settings

Selected Java Interview Questions

Sep 10, 2025 · Backend Development

Generate Maven Multi‑Module Projects in Seconds with a One‑Click Plugin

This article walks you through a Maven aggregation plugin for IntelliJ IDEA that automates multi‑module project creation, configures pom dependencies, supports custom templates, and solves common setup pain points, turning a half‑hour task into a 30‑second operation.

IntelliJ IDEAJavaMaven

0 likes · 10 min read

Generate Maven Multi‑Module Projects in Seconds with a One‑Click Plugin

Selected Java Interview Questions

Sep 8, 2025 · Backend Development

Colorize Spring Boot Logs in Sublime Text with the ANSIescape Plugin

This guide explains how to install and use the ANSIescape plugin in Sublime Text to render Spring Boot console logs with proper colors, eliminating unreadable ANSI escape codes and providing step‑by‑step instructions, troubleshooting tips, and ways to revert to plain logs.

ANSI escape codesSpring BootSublime Text

0 likes · 5 min read

Colorize Spring Boot Logs in Sublime Text with the ANSIescape Plugin

Selected Java Interview Questions

Sep 7, 2025 · Operations

How Tianji Unifies Website Analytics, Server Monitoring, and Alerts in One Lightweight Platform

Tianji is an open‑source all‑in‑one monitoring solution that combines website analytics, uptime monitoring, and server health checks with multi‑channel alerts, offering Docker‑based quick deployment, a responsive React dashboard, and extensible alert scripts for developers and small teams.

DockerMonitoringalerting

0 likes · 6 min read

How Tianji Unifies Website Analytics, Server Monitoring, and Alerts in One Lightweight Platform

Selected Java Interview Questions

Sep 4, 2025 · Backend Development

How to Stream Large Files into a Zip for Secure Download in Java Spring

Learn how to efficiently package local and remote files into a Zip archive while preserving directory structure, using streaming I/O in Java Spring, with safe filename handling, empty directory markers, error handling, and best practices for large or batch downloads.

File DownloadStreaming I/Ospring

0 likes · 13 min read

How to Stream Large Files into a Zip for Secure Download in Java Spring

Selected Java Interview Questions

Sep 3, 2025 · Information Security

Cookies, Sessions, Tokens, JWT & OAuth2: Choosing the Right Secure Authentication Method

This article explains the differences, technical details, and best‑practice implementations of Cookies, Sessions, Tokens, JWT and OAuth 2.0, helping developers decide which authentication mechanism fits various web and API scenarios while addressing security considerations.

AuthenticationOAuth2Session

0 likes · 11 min read

Cookies, Sessions, Tokens, JWT & OAuth2: Choosing the Right Secure Authentication Method

Selected Java Interview Questions

Sep 2, 2025 · Backend Development

Master Nginx: Essential Configurations for Backend Engineers

This guide walks backend engineers through essential Nginx configurations—including reverse proxy, load balancing, static file handling, rate limiting, and HTTPS—providing code examples and deployment steps to ensure stable, secure, and high‑performance services while keeping servers resilient during traffic spikes.

HTTPSRate Limitingload balancing

0 likes · 10 min read

Master Nginx: Essential Configurations for Backend Engineers

Selected Java Interview Questions

Sep 1, 2025 · Backend Development

Master Excel Export in Java with EasyExcel: Tips, Code & Pitfalls

This article walks Java developers through integrating EasyExcel, defining data models, creating utility classes, handling complex headers, merging cells, custom formatting, and large‑scale streaming exports, while sharing practical pitfalls and solutions for robust Excel generation.

Backend DevelopmentJavaSpring Boot

0 likes · 9 min read

Master Excel Export in Java with EasyExcel: Tips, Code & Pitfalls

Selected Java Interview Questions

Aug 30, 2025 · Backend Development

Mastering Jackson: Practical JSON Handling Techniques for Java Backend

This article provides a comprehensive guide to using Jackson for JSON processing in modern Java applications, covering typical scenarios such as object serialization, date formatting, nested structures, dynamic field filtering, tree model manipulation, a complete utility class, and best‑practice recommendations.

JSONJacksonJava

0 likes · 16 min read

Mastering Jackson: Practical JSON Handling Techniques for Java Backend