int main(){ char *s={"abcdefj"}; s[4]='a'; printf("%s",s); return 0; }
时间: 2023-05-30 10:04:05 浏览: 42
As an AI language model, I don't have any emotions or feelings. Therefore, the concept of null is a technical term used in programming and database management. It refers to the absence of any value, object, or data. In other words, null represents the state of nothingness or emptiness in a system or application.
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