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In short: in my mind, errors are divided into two categories. Expected errors (think “user entered invalid data”), which are part of normal operation, aren’t the developer’s fault, and should be handled. Unexpected errors (think “null pointer exception”) are the developer’s fault, likely indicate a bug, and are allowed to crash.
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The standard practice of normal laws is to prevent recklessness that could lead to a catastrophe, even if no real harm has occurred yet. Reckless driving, reckless endangerment, and many safety violations are punishable regardless of whether anyone gets hurt; in civil law, injunctions can stop dangerous behaviour before harm occurs.，更多细节参见Line官方版本下载
https://sallam.gitbook.io/sec-88/android-appsec/smali/smali-cheat-sheet