While trying to remove a element after creating a List from a array using the Array.asList(array[]) method I’ve stumbled on that error. java.lang.UnsupportedOperationException at java.util.AbstractList.add(AbstractList.java:131) at java.util.AbstractList.add(AbstractList.java:91) Then I remember this, list created by the Arrays.asList method are immutable Same goes for empty lists. So instead create a arraylist : List<String> list = new ArrayList<String>(Arrays.asList(split));
Comparing and sorting Strings might not work out like you expected specially when your dealing with a language other than English. Normally comparing strings in done with simple Unicode ordering. If you want to have localized ordering (the kind expected by an end user) you need to use a Collator. Commonly used String methods such […]
If you happen to rename your folder that contain your jsp and js, don’t forget to update the struts config (and the tiles). This will save your precious time even hours …
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