Generate random String in Java using Stream API

RandomString.java

import java.util.*;

public final class RandomString {
  public static String generateRandomString(Random random, int length) {
    return random.insts(48, 122)
            .filter(i -> (i < 57 || i > 65) && (i < 90 || i > 97))
            .mapToObj(i -> (char) i)
            .limit(length)
            .collect(StringBuilder::new, StringBuilder::append, StringBuilder::append)
            .toString();
  }
  
}