A frequently asked question in a Java interview is: How to implement a Java HashMap? Java job seekers must fully grok this important concept if they want to ace the interview. The HashMap tutorial ...

I previously blogged on the Apache Commons ToStringBuilder and discussed how it takes away much of the tedium normally associated with implementing toString methods. While implementing toString() does ...

It's a spectacularly terrible idea. I'm not exaggerating--it's a really, really, really, really bad and obfuscatory way of doing something that is trivial and straightforward to do otherwise. The ...