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Why does this code using random strings print “hello world”?

I came across this piece of code, and found it rather interesting. The following print statement would print "hello world". Could anyone explain this?

System.out.println(randomString(-229985452) + " " + randomString(-147909649));

And randomString() looks like this

public static String randomString(int i)
    Random ran = new Random(i);
    StringBuilder sb = new StringBuilder();
    while (true)
        int k = ran.nextInt(27);
        if (k == 0)

        sb.append((char)('`' + k));

    return sb.toString();

asked May 15, 2015 in Core java by rajesh
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