Java Random generateRandom(int length, int type)

Description

generate Random

License

Apache License

Declaration

public static String generateRandom(int length, int type) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.util.*;

public class Main {

    public static String generateRandom(int length, int type) {
        if (1 == type) {
            Random r = new Random();
            int randNum = 0;
            while (randNum < 100000) {
                randNum = (int) r.nextInt(999999);
            }//from   w  w w.j  a v  a  2  s.  c  o m
            return randNum + "";
        }
        String base = null;
        if (2 == type) {
            base = "abcdefghijklmnopqrstuvwxyz";
        } else {
            base = "abcdefghijklmnopqrstuvwxyz0123456789";
        }
        Random random = new Random();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < length; i++) {
            int number = random.nextInt(base.length());
            sb.append(base.charAt(number));
        }
        return sb.toString();
    }
}

Related

1. equalsRandomIterable(List a, List bl)
2. extractRandomObject(Collection c)
3. extractRandomVector(Collection c, int newSize)
4. gaussianInt(Random random, int min, int max)
5. generateRandom(byte[] byteArray)
6. generateRandom(Integer bitNum)
7. generateRandomIntegerId()
8. generateRandomNo()
9. GenerateRandomPin()