如何抛出RuntimeException(“找不到符号”) [英] How to throw RuntimeException ("cannot find symbol")

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问题描述

  throw RuntimeException(msg); 

但是当我构建NetBeans时,我收到以下错误:

  C:\ .... java:50:找不到符号
符号:方法RuntimeException(java.lang.String)
位置: class ...
throw RuntimeException(msg);
1错误

我需要导入东西吗?我拼错了吗?我确定我一定要做一些愚蠢的事情: - (

解决方案

throw new RuntimeException(msg)



您需要新的,它创建一个实例并抛出,不调用方法。


I'm trying to throw an exception in my code like this:

throw RuntimeException(msg);

But when I build in NetBeans I get this error:

C:\....java:50: cannot find symbol
symbol  : method RuntimeException(java.lang.String)
location: class ...
        throw RuntimeException(msg);
1 error

Do I need to import something? Am I misspelling it? I'm sure I must be doing something dumb :-(

解决方案

throw new RuntimeException(msg)

You need the new in there. It's creating an instance and throwing it, not calling a method.

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