SY-3-c Easy to find the smallest and largest element from the array in Java

import java.util.*;

class Demo
{
    public static void main(String args[])
    {
        int i,sml,lrg;
        int num[] = new int[]{21,486,2,35,45,88,222,14,59,458,756,124};
        sml = lrg = num[0];
        for(i=0;i<num.length;i++)
        {
            if(num[i]<sml)
            {
                sml = num[i];
            }

            if(num[i]>lrg)
            {
                lrg=num[i];
            } 
        }
        System.out.println("Smallest number is " + sml );
        System.out.println("Largest number is " + lrg );
    }
}