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…Aug 7, 20231Aug 7, 20231
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.Aug 3, 20234Aug 3, 20234
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,Jul 28, 20232Jul 28, 20232
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…Jul 27, 2023Jul 27, 2023