Prescreening

flo.schoellhamme
Quiz by flo.schoellhamme, updated more than 1 year ago
flo.schoellhamme
Created by flo.schoellhamme about 6 years ago
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Description

Preescreening

Resource summary

Question 1

Question
Which is not a method of the Object class?
Answer
  • .clone()
  • .compare()
  • .wait()
  • .finalize()

Question 2

Question
If you choose to override Object.equals(), which other method must you override (if any)?
Answer
  • .clone()
  • .hashCode()
  • .toString()
  • none

Question 3

Question
What function property is not correct for Object.equals()?
Answer
  • reflexive: A equals A
  • transitive: if A equals B and B equals C, then A equals C
  • nullable: if A is null and B is null then A equals B
  • symmetric: if A equals B, then B equals A
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