Learn how to implement the equals and hashCode methods in Java to ensure consistent and logical object equality in object-oriented design.

So you’ve decided that identity isn’t enough for you and wrote a nice equals implementation? Great! But now you have to implement hashCode as well. Let’s see why and how to do it correctly. The ...

As to maintain the general contract for the hashCode method, which states that equal objects must have equal hash codes. If two objects have the same hashcode then they are NOT necessarily equal.

package dustin.examples; import java.util.Calendar; /** * Simple employee class using NetBeans-generated 'common' methods * implementations that are typical of many such implementations created ...

Obi Ezechukwu 's blog High-Octane Java recently featured the post Compact Equals , which compares an implementation of a Java class's overridden equals method in traditional form versus one ...

So, I've overridden the equals method as well, and I just put a printout in there saying, 'Calling the equals method' and what object we're calling the equals method for. And then we just do the ...