class ZiYiException extends Exception |
{ |
ZiYiException(String name){ |
super(name); |
} |
} |
class QiuHe |
{ |
int sum(int x,int y,int z)throws ZiYiException |
{ |
if(x<0) throw new ZiYiException("wrong"); |
return x+y+z; |
} |
} |
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