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 ...

Java’s equals() and hashcode() are two methods that work together to verify if two objects have the same value. You can use them to make object comparisons easy and efficient in your Java programs. In ...

The code given below is a valid POJO. Java POJOs are allowed to return same hashCode() for non-equal objects. Might not be optimal, but it's valid and actually fairly ...

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 ...