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what is contract between equal and hash code

jacob deiter
Ranch Hand

Joined: Apr 02, 2008
Posts: 576
I read in article that if any one of the hashCode() and equals() methods override then other should be overridden. If not it is violation the contract.I cant understand what is contract between equal and hash code.Any direct me in right way
Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 38818
    
  23
That article was correct. The details are all in the Object class.
Joanne Neal
Rancher

Joined: Aug 05, 2005
Posts: 3539
    
  15
Take a look at the descriptions of the hashCode and equals method in the Javadoc for the Object class


Joanne
 
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