例句與用法

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1. Returns null if called outside the scope of a catch block
   如果在catch塊作用域以外調(diào)用，則返回null 。
2. Error message may be called anywhere within the scope of a catch block
   Error _ message可以在catch塊作用域內(nèi)的任意位置調(diào)用。
3. Error information can be retrieved by using these functions from anywhere within the scope of the catch block
   可以從catch塊作用域內(nèi)的任何位置使用這些函數(shù)檢索錯誤消息。
4. In nested catch blocks , error line returns the error line number specific to the scope of the catch block in which it is referenced
   在嵌套catch塊中， error _ line返回特定于引用它的catch塊作用域的錯誤行號。
5. In nested catch blocks , error number returns the error number specific to the scope of the catch block in which it is referenced
   在嵌套的catch塊中， error _ number返回特定于其被引用的catch塊作用域的錯誤號。