Class Random_Str

Skay_Exp/src/tools/Random_Str.java:5–16

import java.util.Random;

public class Random_Str {
    public static String generateRandomStr(int length) {
        String base = "abcdefghijklmnopqrstuvwxyz0123456789";
        Random random = new Random();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < length; i++) {
            int number = random.nextInt(base.length());
            sb.append(base.charAt(number));
        }
        return sb.toString();
    }
}