Just like the homework said, what does it mean to return the string of the table? Can this value be called? There is my code in the notes. Is this return correct?
Return in a function can return the execution result of the function. If there is no return, NULL is returned. Statements after return are no longer executed.
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The best understanding of using functions in programming: http://blog.csdn.net/xiaowu12345678910/article/details/78255055#t4
return is just a return execution result. Where should the result be returned every time a method is written?
Put it inside the method and return the result of method execution when called
return is used to return a value, or stop running subsequent statements. That is, after you call this function, you can get the return data.
The literal meaning is to return.
Return in a function can return the execution result of the function. If there is no return, NULL is returned. Statements after return are no longer executed.