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Tags

Programmer Certification (SCJP)

Programmer Certification (SCJP) Discussion of the Sun Certified Java Programmer Exam.

Assertions Doubt


Hi,Why can't we use assertions in a public method?Could you please explain me the reasons?Thank you.--------------------BTRSCJP1.5(88%)SCWCD1.4(92%)

   
   
   
   
   
      We can use assertion in the public method but weshould notuseassertion in the public method.Why should not?A public method is exposed to the world and you don't know who will be using your public method in future too. public methods play the role of interfaceto the outside world, you are supposed to impose constraint on the arguments, inside the method itself. There is not guarantee that Assertionwill run. You don't want to check the argumentsconditionallyonbehalf of  whether Assertion is enabled or not.Thanks,--------------------cmbhatt


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