A 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 :
| |
| Canadian Mind Products | ||
| mindprod.com IP:[65.110.21.43] | ||
| view Blog | Your face IP:[38.107.179.210] | |
| Feedback | You are visitor number 21,124. | |