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Learn everything you need to throw, try, catch, and clean up after Java exceptions in your programs.
A single try block can have multiple "catch" blocks to define different behaviors when an exception is encountered. If a program encounters an exception that is defined in multiple catch blocks ...
其中,try用于放置可能出错的代码,它是运行主要逻辑的部分。 接下来,catch捕获并处理异常,throw用于抛出异常,而finally则确保无论是否发生异常都会执行的清理操作。 4 、 发生错误时,执行 catch 部分(catch (Exception e) {}),输出错误信息,然后程序继续运行。
Java exception handling with stack traces, exception chaining, try-with-resources, final re-throw, and StackWalker.