Java random number with given length
<p>I need to genarate a random number with exactly 6 digits in Java. I know i could loop 6 times over a randomicer but is there a nother way to do this in the standard Java SE ?</p>

<p>EDIT:
Follow up question:
Now that I can generate my 6 digits i got a new problem, the whole ID im trying to create is of the syntax 123456-A1B45. So how do i randomice the last 5 chars that can be either A-Z or 0-9? I'm thinking of using the char value and randomice a number between 48 - 90 and simply drop any value that gets the numbers that represent 58-64. Is this the way to go or is there a better solution?</p>

<p>EDIT 2:
This is my final solution. Thanks for all the help guys!</p>

<pre><code>protected String createRandomRegistryId(String handleId)
{
    // syntax we would like to generate is DIA123456-A1B34      
    String val = "DI";      

    // char (1), random A-Z
    int ranChar = 65 + (new Random()).nextInt(90-65);
    char ch = (char)ranChar;        
    val += ch;      

    // numbers (6), random 0-9
    Random r = new Random();
    int numbers = 100000 + (int)(r.nextFloat() * 899900);
    val += String.valueOf(numbers);

    val += "-";
    // char or numbers (5), random 0-9 A-Z
    for(int i = 0; i&lt;6;){
        int ranAny = 48 + (new Random()).nextInt(90-65);

        if(!(57 &lt; ranAny &amp;&amp; ranAny&lt;= 65)){
        char c = (char)ranAny;      
        val += c;
        i++;
        }

    }

    return val;
}
</code></pre>

<p>Thx!
/Marthin</p>
