Community driven content discussing all aspects of software development from DevOps to design patterns. It’s much easier to format an int with printf than a float or double, because decimal precision ...

在Java开发中，数组与集合之间的转换是一个常见的操作。Arrays.asList方法因其简洁的语法和便捷的使用方式，被广泛应用于将数组转换为集合（如List）。然而，这个看似简单的方法背后却隐藏着一个大坑，如果不小心处理，可能会导致线上事故，本文也是本人 ...

在Java开发中，数组与集合之间的转换是常见的操作。特别是Arrays.asList()方法，由于其简洁的语法和便捷的使用方式，成为了开发者的常用工具。然而，这个看似简单的方法背后却隐藏着潜在的风险，本文将探讨其可能导致的线上事故及解决方案。 Arrays.asList()的 ...

一个类的有些属性需要序列化，而其他属性不需要被序列化，打个比方，如果一个用户有一些敏感信息（如密码，银行卡号等），为了安全起见，不希望在网络操作（主要涉及到序列化操作，本地序列化缓存也适用）中被传输，这些信息对应的变量就可以加上 ...

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods. Generics are used in ...

Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

We once had to shed our phone number when we changed wireless providers or moved–sometimes even moving from one part of a town to another. One of the great changes in mobile phones since their ...

The Java Update Available notifications in Windows inform you when there are updates for Java. However, that update notification keeps popping up for some users when they log in. There are also fake ...

Some users have previously uninstalled Java have been complaining that the Java(TM) Plug-in 2 SSV Helper is still listed as enabled under Add-ons (Extensions). This particular situation is a well ...