|  |  | 
 |  |  |  | 
 |  |  |    /* | 
 |  |  |    public static void main(String[] args) { | 
 |  |  |       System.out.println(CreateRandom.random(1, 0)); | 
 |  |  |       System.out.println(CreateRandom.random(2, 0)); | 
 |  |  |       System.out.println(CreateRandom.random(3, 0)); | 
 |  |  |       System.out.println(CreateRandom.random(4, 0)); | 
 |  |  |       System.out.println(CreateRandom.random(5, 0)); | 
 |  |  |       System.out.println(CreateRandom.random(100, 0)); | 
 |  |  |       System.out.println(CreateRandom.random(1256, 1234)); | 
 |  |  | //      System.out.println(CreateRandom.random(1, 0)); | 
 |  |  | //      System.out.println(CreateRandom.random(2, 0)); | 
 |  |  | //      System.out.println(CreateRandom.random(3, 0)); | 
 |  |  | //      System.out.println(CreateRandom.random(4, 0)); | 
 |  |  | //      System.out.println(CreateRandom.random(5, 0)); | 
 |  |  | //      System.out.println(CreateRandom.random(100, 0)); | 
 |  |  | //      System.out.println(CreateRandom.random(1256, 1234)); | 
 |  |  |       System.out.println("======================="); | 
 |  |  |       System.out.println(create_between(10, 100)); | 
 |  |  |       for(int i = 0 ; i < 100; i++){ | 
 |  |  |          System.out.println(create_between(10, 100)); | 
 |  |  |       } | 
 |  |  |    } | 
 |  |  |    */ | 
 |  |  |  | 
 |  |  |     | 
 |  |  |    /** | 
 |  |  |     * 4位随机数据 | 
 |  |  | 
 |  |  |       if(max - min < min/2){ | 
 |  |  |          return min ; | 
 |  |  |       } | 
 |  |  |       String minStr = String.valueOf(min) ; | 
 |  |  |       int len = minStr.length() ; | 
 |  |  |       char minFirst = minStr.charAt(0) ; | 
 |  |  |        double d = Math.random(); | 
 |  |  |        d = d * 10000000 ; | 
 |  |  |        String s = String.valueOf(d); | 
 |  |  |        s = minFirst + s ; | 
 |  |  |       int len = String.valueOf(min).length() ; | 
 |  |  |        String s = String.valueOf(Math.random() * 10000000); | 
 |  |  |        s = s.substring(0 ,len) ; | 
 |  |  |        int n = Integer.parseInt(s) ; | 
 |  |  |        if(n < min || n > max){ |