How to realize getbytes in java with c++, or how to convert a string into its byte array in c++.

in p>java, if you insist on assigning a value instead of assigning a reference, that is, if you don't want to modify one of them and the other becomes the same, you should use class.clone (), and then assign the new reference of clone to another String.

in short, string a = "123";

String b = a.clone();

in this way, whatever you do to A in the future will not affect B ..

for example, use bytebuffer to trap a, and then modify its value. Then b will change with it.

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