Exception异常处理机制 try catch finally throw throws - Code World

Exception异常处理机制 try catch finally throw throws

Others 2021-11-21 15:46:48 views: null

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ArithmeticException直接写Exception也可以
finally 可以不要finallt 假设IO 资源关闭！

可以写多个catch 从上往下从小到大的异常进行捕获层层递进
捕获异常快捷键：左键选中代码 Ctrl+Alt+T

throws用于类 throw用于方法体匿名内部类
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用了try cathch之后程序不会因为Exception异常而中断
并且这里老师是用运行时异常给你打的比方，运行时异常系统会自动抛出，非要用throws这里必须为专用异常算数异常，而不能用通用异常运行时异常

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Origin blog.csdn.net/dasgs5a64/article/details/120623365

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