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samar
custom exception
1 Answer(s)      3 years and 9 months ago
Posted in : Java Interview Questions


What is user defined exception?

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October 29, 2010 at 5:23 PM


Hi,

Here is the answer.

User defined exceptions are those exceptions which an application provider or an API provider defines by subclassing java.lang.Throwable class.

This example help you-

 class MyException extends Exception {
    int a;

    MyException(int b) {
        a = b;
    }

    public String toString() {
        return ("Exception Number =  " + a);
    }
}

 public class JavaException {
    public static void main(String args[]) {
        try {
            throw new MyException(24);
            // throw is used to create a new exception and throw it.
        } catch (MyException e) {
            System.out.println(e);
        }
    }

}

For more detail go to the link-

http://www.roseindia.net/java/java-exception/user-defined-exception.shtml

Thanks.



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