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Generate a Random Alpha Numeric String

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Generate a Random Alpha Numeric String

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Generate a random alpha numeric string whose length is the number of characters specified. Characters will be chosen from the set of alpha-numeric characters. Count is the length of random string to create.

private static final String ALPHA_NUMERIC_STRING = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
public static String randomAlphaNumeric(int count) {
StringBuilder builder = new StringBuilder();
while (count-- != 0) {
int character = (int)(Math.random()*ALPHA_NUMERIC_STRING.length());
return builder.toString();

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