Difference between revisions of "Misc"

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* String $;
 
* String $;
  
[Category:OCPJP]
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[[Category:OCPJP]]

Revision as of 05:07, 20 June 2011

This covers Objective 1.3

Legal Identifiers

  • Can be composed of characters, numbers, currency-symbols and connecting chars such as underscore.
  • Definition of characters are interpreted according to the charset.
  • NO special chars such as #, :, ;, @, -, etc...
  • Must start with letter, currency char, underscore but CANNOT start with a digit !
  • Java identifiers are case-sensitive.

Illegal identifiers:

  • int 23age;
  • String em@iladd;
  • List all-accounts;

These are legal!:

  • int __;
  • String $;