public class Main {

    public static void main(String[] args) {


        int [] arr= {5, 50, 3, 42, 18, 16, 8, 30, 44};      // Array
        menorD l = new menorD();

        menorD.MinD(arr);

      }

}

public class  menorD {

    static int arr_zise;


    public static void minD (int [] arr) {

        arr_zise = arr.length;
        int i, j;
        int minD=0;

        for(i=0;i<arr_zise; i++) {

            for(j=0;j<arr_zise; j++) {

                if(arr[i]!=arr[j]) {
                    minD=arr[i]-arr[j];

                System.out.print(" i="+ arr[i]+ " j="+ arr[j]+ " minD es: "+Math.abs(min));
                    System.out.println();

                }


            }

        }


    }


}