java instanceof 的反面
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时间:2020-10-31 04:05:56 来源:igfitidea点击:
The opposite of instanceof
提问by Lolmister
Is it possible to get the opposite of instanceof in java? I have tried code like this:
是否有可能在java中获得instanceof的反面?我试过这样的代码:
if( example !instanceof blarg)....
but it won't let me put the ! anywhere without an error, please help.
但它不会让我把!任何地方都没有错误,请帮忙。
回答by Corbin
You have to negate the entire thing:
你必须否定整个事情:
if(!(example instanceof blarg))
回答by Ayaz Alifov
As an alternative make use of isInstance
method:
作为替代使用isInstance
方法:
if (!example.class.isInstance(blarg))
{
// your code here
}