If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the “common” Java object ...

The hashCode() and equals() methods have been defined in Object class which is parent class for all java classes. For this reason, all java objects inherit a default ...

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 ...