random random = new random(); stringbuilder builder = new stringbuilder(count); for (int i = 0; i < count; i++) { builder.append(numbers.charat(random.nextint(numbers.length())));
0
random random = new random(); stringbuilder builder = new stringbuilder(count); for (int i = 0; i < count; i++) { builder.append(numbers.charat(random.nextint(numbers.length())));