Ch10Ex3

package ch10ex3;
import java.util.Random;
import java.util.ArrayList;

public class Ch10Ex3
{
    public static void main(String[] args)
    {
        ArrayList<Integer> nums=new ArrayList();
        int[] appear=new int[10];
        Random gen=new Random();
        for(int c=0;c<10;c++)nums.add(c);
        for(int c=0;c<10;c++)appear[c]=0;
        System.out.println("Number\tAppearances");
        for(int c=0;c<500;c++)
        {
            int rand=gen.nextInt(10);
            for(int x=0;x<10;x++)if(rand==nums.indexOf(x))appear[x]+=1;
        }
        for(int c=0;c<10;c++)System.out.println(c+"\t"+appear[c]);
    }
}