凌晨三点，会议室灯火通明，产品经理指着屏幕上的流程图，唾沫横飞：“为什么用户取消订单后，优惠券没自动退回？” 你低头看了看自己写的代码——订单模块调用了支付模块，支付模块又调用了优惠券模块，优惠券模块还调用了用户模块。这四个模块像 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way to garner user input in a Java program is to use the System’s Console class.

Value stream management involves people in the organization to examine workflows and other processes to ensure they are deriving the maximum value from their efforts while eliminating waste — of ...

Don’t expect raucous party scenes or over-the-top après-ski. In Japan, it’s all about the snow. Here’s a primer on where to go, stay and eat. By Finn-Olaf Jones Unlike the high jinks and vibrant après ...

Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs. Java class loaders are a component of the Java virtual machine (JVM) ...

Describe the bug During load test an IllegalArgumentException occurs randomly in the logs. Environment Spring Boot 3.0.6 WebFlux application Micrometer version: 1.10.6 Micrometer registry: promethe ...

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...