punctuation 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (all)
©1996-2012 Roedy Green, Canadian Mind Products
punctuation 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (all)
©1996-2012 Roedy Green, Canadian Mind ProductsA zero-length String. i.e. x.length() == 0, e.g. "". If the empty String is interned, you can detect it with:
if ( x == "" )
If not, you can detect them with:
if ( x == null || x.length() == 0 )
One of the most common sources of error in Java programs comes from confusing the three different flavours of void Strings: blank, empty and null.
 |
You can get the freshest copy of this page from: | or possibly from your local J: drive (Java virtual drive/mindprod.com website mirror) |
| http://mindprod.com/jgloss/empty.html | J:\mindprod\jgloss\empty.html | |
 |  Please email your feedback for publication, letters to the editor, errors, omissions, typos, formatting errors, ambiguities, unclear wording, broken/redirected link reports, suggestions to improve this page or comments to
Roedy Green :
If you want your message kept confidential, not considered for posting, please explicitly specify that. | |
| Canadian Mind Products | ||
| mindprod.com IP:[65.110.21.43] | ||
| view Blog | Your face IP:[38.107.179.212] | |
| Feedback | You are visitor number 20,751. | |