Examples/src/main/java/org/openestate/io/examples/utils/RandomStringUtils.java
public static String randomLetters(int length) {
        return new RandomStringGenerator.Builder()
                .filteredBy(LETTERS)
                .build().generate(length);
    }
public static String randomLetters(int length) {
        return new RandomStringGenerator.Builder()
                .filteredBy(LETTERS)
                .build().generate(length);
    }
Generate a random string with ASCII letters.

@param length length of the generated string
@return generated string