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hashcode for 1.5

Vinay Belagavi
Greenhorn

Joined: Jun 15, 2006
Posts: 29
Dear Ranchers

I am studying for SCJP 1.5 exam and will be takeing it on Aug 30.Can anybody tell me what concepts of hashcode one needs to know to take up the exam.I see a lot of questions on hashcode in the mock tests i took.
Please advice.
Thanks in advance.
marc weber
Sheriff

Joined: Aug 31, 2004
Posts: 11343

Most of what you need to know (the "hashCode contract") is described in the API documentation for the hashCode method in the Object class.

Beyond that, you should understanding the reasons for hashing. See Understanding hashCode() topic in Eckel's Thinking in Java.


"We're kind of on the level of crossword puzzle writers... And no one ever goes to them and gives them an award." ~Joe Strummer
sscce.org
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: hashcode for 1.5