Standard Input Exception

Standard Input Exception

Why do I have to catch an exception when I use

Answer: is an InputStream, and like any InputStream, an I/O errormay occur when you read from it. For example, the Java program mayhave been run as a background process with no standard input, causingan error during a read attempt. throws anIOException if an error occurs while reading from the stream. Thisexception is not derived from RuntimeException and must be caught or elseyour program will not compile.

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