How to handle numbers bigger than machine representative number?

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Assuming now I'm assigning ID number to my database, the database is huge(items more than machine representative number).

I'm using Java, I know the biggest data type in Java is long int(64 bit). How could I deal with numbers bigger than that?

One of my solutions is always converting numbers to strings, which will cause the overhead and I still don't figure out how to accumulate the number(bigger than MAX_VALUE) that is meant to converted to strings.

asked 34 secs ago

user3307896

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