在Java开发的世界里，有一个几乎所有程序员都深恶痛绝却又屡屡中招的“幽灵错误”——空指针异常（NullPointerException，简称NPE）。它像一颗隐藏在代码深处的定时炸弹，可能在你最不经意的时刻突然爆发：当你调用一个未初始化对象的方法时 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Good programmers need to create code that efficiently solves problems, using various methods. A ...

In this final article in the Creating DSLs in Java series, Venkat Subramaniam lets you see for yourself why JVM-compatible languages such as Scala, Groovy, and JRuby are better suited to creating ...

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 ...

This article is excerpted from Rails for Java Developers, by Stuart Halloway and Justin Gehtland, with permission of The Pragmatic Programmers. All rights reserved ...

Tip #5 of my blog post Ten Tips for Using Java Stack Traces demonstrates two example of using Java code to extract a Throwable‘s (implying Error or Exception) stack ...