Java exception class and its subclasses (example explanation)

If in C language else... To control exceptions, all exceptions in the Java language can be represented by a class. Different types of exceptions correspond to different subclass exceptions, and each exception corresponds to an object of an exception class.

Java exception handling is managed by five keywords try, catch, finally, throw and throws. The basic process is to wrap the statements to be monitored with a try. If an exception occurs in the try, the exception will be thrown. Catch the thrown exception and handle it. Finally, the unfinished matters will be completed.

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