点击“蓝色字”，关注我们哦！！ 数据质量检测是开发中绕不开的一环，尤其是处理大量用户输入或者外部数据的时候，稍有疏忽，系统就可能被“坑”得不轻。 今天聊聊一个超实用的库：Apache Commons Validator。它专注于数据验证，用起来简单又高效。我们会一 ...

常见Java org提示出错：如何快速解决？ Java 是一种广泛使用的编程语言，在软件开发中起着重要的作用。然而，当我们在编写Java程序时，经常会遇到各种各样的错误提示。本文将介绍一些常见的Java org提示出错及其解决方法，帮助读者快速解决这些问题。 第一种 ...

For general information about how to structure Gradle builds and apply community plugins like this one you can check out my Understanding Gradle video series. Once the plugin is applied, dependencies ...

After build Gaffer, executing my project with Java 8 Update 301 (64-bit), i've found this error: Exception in thread "main" java.lang.NullPointerException: Cannot invoke ...

The enterprise Java community has made great strides to simplify file uploads from a web browser to a server. What was once a task that involved many cross-platform complications is now ...

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Apache Maven is a cornerstone of Java development, and the most used build management tool for Java. Maven’s streamlined, XML-based configuration model enables developers to rapidly describe or grasp ...

本文将探讨用 Java 生成随机数的不同方法。 Java API 提供了几种随机数生成方法。让我们一起来了解一下。 Math 类中的 random 方法返回一个 [0.0, 1.0) 区间的 double 值。下面这段代码能得到一个 min 和 max 之间的随机数： intrandomWithMathRandom = ( int) ((Math.random * (max - min ...

Things got a little heated at the Vatican this week when an Italian journalist reported that Pope Francis denied the existence of hell. Apparently, the fiery 93-year-old avowed atheist reporter, ...