Jingnu AnJava Stream APIs Tutorial: How To Use .collect and .sorted With ExamplesStream operations enable Java developers to perform tasks with ease and elegance. In this article, I use two examples to introduce two…3 min read·Aug 7, 2023--1--1
Jingnu AnA Tip To Start Using Java HashMap Like A ProTake a look at the following hash map. We are going to use it as an example to unlock the pro tip.4 min read·Aug 3, 2023--4--4
Jingnu AnSystem Design — A Server Health Monitoring SystemI recently had a system design interview with a senior engineer. The design question asked during the interview was,6 min read·Jul 28, 2023--2--2
Jingnu AnNode — You hear it. You see it. But do you know which node is it?As a software engineer I often hear the word “Node” being tossed around. For a non-English speaker turned computer science enthusiast like…3 min read·Jul 27, 2023----