throw null

The basic idea of exception handlingThe basic idea of the exception handling of C + + can be summarized as the traditional error handling mechanism and the function return value to handle the error. 1 The exception handling mechanism of C + +

Re-throw Exception) I always write code like this: 01: public void ThrowFunction ()02 :{03: // Initialize04: String errMessage = "Just sample throwing .";05: Boolean isSomeWrong = true;06: // do something07: if (isSomeWrong)08: throw new Exception (

Throw throws/passes an exception by using the throw statement in the Catch Block. exceptions that can be changed. For example, we can throw a new exception. Throw statements have various types and are necessary. ExampleFirst, let's take a look at

For Java programmers, NULL is a headache. is often harassed by null-pointer anomalies (NPE). Even the inventor of Java admits it was a huge mistake. Why should Java keep null? Null has been around for some time, and I think the Java inventor knows

Try { if("E". Equals (ReturnStatus)) { Throw Newoaexception (ReturnMessage, oaexception.error); } } Catch(Exception localException2) {}finally { Try { if(CallableStatement! =NULL)

Throw new exception (string, exception) Throw new exception (string) Throw explicitly throws an exception. Msdn: exception (string, exception) initializes a new instance of the exception class by specifying the error message and referencing

Hi, everybody good evening, my blog first beginning, let's cheer together!All say the Java language is very robust, such as: garbage collection mechanism, memory model, exception handling, strong type conversion, cross-platform, and so on, so that

PHP exception handling, error throws, and error callback functions. PHP exception handling, error throws, and error callback functions. exception handling callback function 1. error and exception level constant table error: runtime errors cannot be

Online Comparison of classic summary:Any function can fail, and the constructor is not otherwise, such as the new object or the space is unsuccessful. When the constructor fails, there are many times when we don't want the object to be generated,

Whether it is. NET or Java, in the development process will inevitably use the Throw keyword, for beginners will generally think it and try...catch bundled together, this is certainly wrong, in fact, throw one of the most important role is: Let the