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I'm glad to have helped.

When you try and parse an integer that contains something other than 0-9, what happens? Is an exception thrown? If so, which?

Try catching that exception in the catch and do whatever you want in...

try{
//try something
} catch(/*some exception*/){
//do something as a result of catching the exception
}

read up on exceptions if necessary.

Sounds like you may want to wrap the parse in a try catch clause, and be prepared to catch a number format exception.