how to generate a random String? in java

Posted by chandra wibowo on Stack Overflow See other posts from Stack Overflow or by chandra wibowo
Published on 2010-05-19T08:18:21Z Indexed on 2010/05/19 8:20 UTC
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hi everyone, i have an object called Student, and it has studentName, studentId, studentAddress, etc. for the studentId, i have to generate random string consist of seven numeric charaters, eg. studentId = getRandomId(); studentId = "1234567" <-- from the random generator. and i have to make sure that there is no duplicate id. thanks in advance

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