拙者、Javaの奥儀百箇条をここに伝授仕る所存！この書、プログラムを極めんとする者、またSilver資格を目指す者にこそ読むべき巻物なり。是非とも手に取られよ！ Java 7 以降、switch 文は String を受け付けるようになった。 この際、内部では hashCode() を用いて ...

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 ...

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 ...