> 原文:[https://www . geeksforgeeks . org/zoneoffsettransition-hashcode-method-in-Java-with-example/](https://www.geeksforgeeks.org/zoneoffsettransition-hashcode ...

> 原文:[https://www . geesforgeks . org/field position-hashcode-method-in-Java-with-example/](https://www.geeksforgeeks.org/fieldposition-hashcode-method-in-java ...

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 ...