java - Leading and trailing spaces must be detected in the names contained in the combobox -

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im new swings, id know something. have table, , column name-ca1 has combobox. want each item in list of combobox according condition. condition is: leading , trailing spaces must detected '#' symbol. trying use renderer combobox.... since im new... im not able figure out.

the combobox consists of list of names... alphanumeric characters along special characters..

so requirement names, if consist of spaces before or after it, must detected '#' before or after respectively.


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