Mark Herschberg, author of The Career Toolkit
https://www.thecareertoolkitbook.com/
Mark Herschberg, author of The Career Toolkit
https://www.thecareertoolkitbook.com/
Betty Rubble? Well, I would go with Betty... but I'd be thinking of Wilma.
Campbell Ritchie wrote:Welcome to the Ranch
Have you read this about the hashCode method? If so, what needs explaining?
Being Java programmer.
Remember that String and Integer are popular as “K”s in hash maps, because they are commonly used and also immutable.Vignesh Mani wrote:. . . . Why should all the objects(right from String, Integer, User defined objects., etc.,) . . . have the hashCode . . . ? . . ..
As they probably should have done with Cloneable. At least all objects have fully‑implemented equals() and hashCode() methods.Stephan van Hulst wrote:. . . separate interface Equatable and a separate interface Hashable that extends Equatable. . . .
RTFJD (the JavaDocs are your friends!) If you haven't read them in a long time, then RRTFJD (they might have changed!)