Program to generate all combinations of 1,2 and 3 using for loop

 Program to generate all combinations of 1,2 and 3 using for loop

class P18
{
    public static void main(String args[])
    {
        int i,j,k;

        for(i=1;i<=3;i++)
             for(j=1;j<=3;j++)
            for(k=1;k<=3;k++)
                 System.out.println(" "+i+" "+j+" "+k);
    }
}