Here is the java code
usageType = (String) c.getSrcValue("USAGETYPE");
c is a arraylist. I populate it with this field from DB. "USAGETYPE" NUMBER(*,0)
,
I get the following error
java.lang.ClassCastException: java.math.BigDecimal cannot be cast to String
Can you please help me out
Well, you cannot convert an object to a string by casting. Not in Java, in any case.
Try
usageType = c.getSrcValue("USAGETYPE").toString();
That is, if you actually need it as a string, which smells a little dubious in the first place. Usually the only place where numbers are needed as strings is the UI and you've got appropriate other places to do that conversion, normally (eg CellRenderers in Swing).
Simply write
usageType = c.getSrcValue("USAGETYPE").toString();
or
usageType = ""+c.getSrcValue("USAGETYPE");
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