Shulou(Shulou.com)06/02 Report--

This article mainly introduces the example analysis of Throwable exception in java, which has a certain reference value. Interested friends can refer to it. I hope you will learn a lot after reading this article.

Throwable

Throwable is the base class for all exception classes, as shown in the figure:

Throw an exception through throw-throws, and then catch the exception with try-catch

Where run-time and non-run-time exceptions are usually encountered in development,

Common runtime exceptions are:

1. Arithmetic exception: ArithmeticException

two。 Class conversion exception: ClassCastException

3. Illegal parameter exception: IllegalArgumentException

4. Subscript out of bounds exception: IndexOutOfBoundsException

5. Null pointer exception: NullPointerException

6. Security exception: SecurityException

Common non-runtime exceptions are:

1. Input stream exception: IOException

two。 No exception found in the file: FileNotFoundException

3.SQL running exception: SQLException

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