###The hashCode Contract Quoting the source: The general contract of hashCode is: Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode ...

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 ...

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 ...