exception.tex

\pagebreak{}
\section{Exception Handling}
\begin{verbatim}

public class Error {
    public static void main(String[] args) {

        int invalid = 0;
        int num, count = 0;
        for (int i = 0; i < args.length; i++)
            {
                try {
                    num=Integer.parseInt(args[i]);
                }
                catch (NumberFormatException e) {
                    invalid=invalid+1;
                    System.out.println("invalid op:"+args[i]);
                    continue;
                }
                count = count+1;
            }
        System.out.println("valid no:"+count);
        System.out.println("invalid no:"+invalid);
    }
}
\end{verbatim}
\section*{Output}
\begin{verbatim}
>: java Error 9 asd a 2 45 d
invalid op:asd
invalid op:a
invalid op:d
valid no:3
invalid no:3
\end{verbatim}