try { number=Integer.parseInt (str); catch (Exception e) { System.out.println(e.getMessage ()); catch (IllegalArgumentException e) { System.out.println ("Bad number format."); catch (NumberFormatException e) { System.out.println (str + " is not a number.");

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A:

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A: Let see solution

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A: In both python and R  To find factorial of a number there are same built in function  factorial()

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Exception Handling Keywords

An exception is a situation or anomaly that occurs during the program execution which prevents the execution from continuing further. An exception is an unexpected behavior that can cause the program to stop abruptly.