Rand test

import java.util.Calendar;

public class rand
{
    public static final int D=6, N=100000000;

    public static void main( String args[] ){
        int[] dado = new int[D+1];

        Calendar ahora1 = Calendar.getInstance();
        long ti=ahora1.getTimeInMillis();
        for( int i=0 ; i<N ; i++ )
            dado[(int) (Math.random()*D+1)]++;
        Calendar ahora2 = Calendar.getInstance();
        long tf=ahora2.getTimeInMillis();
        double dif = (tf-ti)/1000.0;

        for( int i=1 ; i<=D ; i++ )
            System.out.println( i + " esta repetido " + dado[i] + " veces " );
            System.out.println( N + " numero pseudoaleatorios en " + dif + " segundos " );
    }
}