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public static String getUniqueString(int length){
String allChar = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
StringBuffer sb = new StringBuffer();
Random random = new Random();
for (int i = 0; i < length; i++){
sb.append(allChar.charAt(random.nextInt(allChar.length())));
}
return sb.toString();
}
public static String getUniqueString(int length){
String allChar = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
StringBuffer sb = new StringBuffer();
Random random = new Random();
for (int i = 0; i < length; i++){
sb.append(allChar.charAt(random.nextInt(allChar.length())));
}
return sb.toString();
}