Exception Handling in C++ - GeeksforGeeks C++ 引入异常处理机制,显著提升程序健壮性。异常分为同步与异步两类,同步异常由编程控制,异步异常则超出控制范围,如硬件错误或外部中断。关键异常处理概念包括:1. try:定义可能抛出异常的代码段。2. catch:响应特定异常的代码段。3. throw:用于抛出异常...
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原文链接:Catching Base and Derived Classes as Exceptions in C++ and Java - GeeksforGeeks。原被引用文给了 C++ 和 Java 两种处理方式,此处只包含 C++ 部分 如何捕捉派生类与基类异常: 若派生类和基类都被作为异常捕捉,那么捕捉派生类的块必须位于捕捉基类的块之前 如果顺序反过来了,那么捕捉派生类的块将永远...
1、throw用在方法体内,上面代码显示了,是直接在main方法体内 throws用在方法声明后面,表示再抛出异常,由该方法的调用者来处理。这个看上面的代码就理解了 2、throw是具体向外抛异常的,抛出的是一个异常实例 throws声明了是哪种类型的异常,使它的调用者可以捕获这个异常 3、throw,如果执行了,那么一定是抛出了某种异...