BestHub
Sign in
Java Interview Crash Guide
Author

Java Interview Crash Guide

Dedicated to sharing Java interview Q&A; follow and reply "java" to receive a free premium Java interview guide.

379
Articles
0
Likes
92
Views
0
Comments
Recent Articles

Latest from Java Interview Crash Guide

100 recent articles max
Java Interview Crash Guide
Java Interview Crash Guide
Nov 13, 2023 · Backend Development

Boost Java Projects with Hutool: Essential Utility Library Overview

This article introduces Hutool, a comprehensive Java utility library that consolidates common functions such as file handling, encryption, date manipulation, and more, explains its key modules, shows how to add it via Maven, and provides practical code examples for utilities like DateUtil, StrUtil, NumberUtil, and SecureUtil.

Code examplesHutoolJava
0 likes · 9 min read
Boost Java Projects with Hutool: Essential Utility Library Overview
Java Interview Crash Guide
Java Interview Crash Guide
Nov 3, 2023 · Databases

5 Critical Reasons Docker Isn't Ideal for MySQL

While Docker simplifies many development tasks, this article examines five key drawbacks of running MySQL in containers—including data loss risks, performance bottlenecks, statefulness issues, limited resource isolation, and unsuitable use cases—offering guidance on when to avoid or adapt containerization for databases.

DockerMySQLcontainers
0 likes · 7 min read
5 Critical Reasons Docker Isn't Ideal for MySQL
Java Interview Crash Guide
Java Interview Crash Guide
Nov 1, 2023 · Backend Development

10+ Proven Ways to Supercharge Java for‑Loops for Faster Code

This article outlines over ten practical techniques for optimizing Java for‑loops, including caching list size, using reverse iteration, employing iterators, leveraging enhanced for‑each loops, minimizing method calls, and handling exceptions efficiently, helping developers write cleaner and more performant code.

OptimizationPerformancebest-practices
0 likes · 7 min read
10+ Proven Ways to Supercharge Java for‑Loops for Faster Code
Java Interview Crash Guide
Java Interview Crash Guide
Oct 19, 2023 · Backend Development

Mastering Delayed Tasks: 5 Proven Java Backend Solutions

This article compares delayed and scheduled tasks, then details five practical backend implementations—including database polling with Quartz, JDK DelayQueue, Netty time‑wheel, Redis ZSET (and keyspace notifications), and RabbitMQ delayed queues—complete with code samples, advantages, and drawbacks.

0 likes · 20 min read
Mastering Delayed Tasks: 5 Proven Java Backend Solutions
Java Interview Crash Guide
Java Interview Crash Guide
Oct 18, 2023 · Backend Development

Why WebClient Beats RestTemplate in Spring: Non‑Blocking I/O, Functional API, and Advanced Error Handling

This article explains why Spring's RestTemplate is deprecated in favor of WebClient, highlighting benefits such as non‑blocking I/O, a functional programming style, streaming support, improved error handling, and how to configure timeouts, with full code examples for synchronous and asynchronous requests.

HTTPJavareactive
0 likes · 13 min read
Why WebClient Beats RestTemplate in Spring: Non‑Blocking I/O, Functional API, and Advanced Error Handling
Java Interview Crash Guide
Java Interview Crash Guide
Oct 17, 2023 · Backend Development

Unlock Java Stream API: 10 Essential Best Practices for High-Performance Code

This article presents ten practical best‑practice tips for using Java's Stream API—covering primitive streams, avoiding nested streams, cautious parallelism, lazy evaluation, side‑effect avoidance, immutability, filter‑before‑map, method references, distinct, and sorted—to write cleaner, more efficient, and maintainable Java code.

Functional ProgrammingJavaStream API
0 likes · 7 min read
Unlock Java Stream API: 10 Essential Best Practices for High-Performance Code