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I’m working on a school project in eclipse, and when I try and use the isEmpty() method on a String, Eclipse shows up the following error:
The method isEmpty() is undefined for the type String
I’ve run the Java updates, but am still getting it. Is any reason why this method would be undefined?
String.isEmpty() was added in Java 6. In earlier versions you can use
StringUtils.isEmpty(String)from Apache’s commons-lang library.To configure Eclipse to use the 1.6 JRE, go to Window->Preferences->Java->Installed JREs. If you haven’t already got JAva 1.6 configured, select Add…,browse to your 1.6 installation and add it.
(source: lumidant.com)