How to handle whitespace in Java execution shell commands

? Runtime.getruntime (). EXEC (cmdstring), if the parameters in cmdstring at this time (such as the CP file file name) contain special symbol spaces, then an error occurs, because the source code will follow some special characters ("\t\n\r\f", Notice that it contains a space) to cmdstring into an array, so there are spaces can cause errors, this situation can be implemented by the command array, that is, the cmdstring in the array itself, do not use the source to cut off there will be no problem, for example:

ABC Af.zip is a file name

Cmdstring= "CP abc Af.zip dir" This is a problem.

string[]? Cmdarray=new string[] ("CP", "ABC Af.zip", "dir") it is OK

How to handle whitespace in Java execution shell commands