program java Mencari data yang sama dari 2 array

class data {

                public static void main (String[] args) {

                                int [] data1 = {3,5,8,11,14,16,17,19,20};

                                int [] data2 = {1,3,5,11,13,17,18,20};

                                System.out.print ("Data 1 = ");

                                for (int k = 0; k<data1.length; k++){

                                                System.out.print (data1[k] + " ");

                                }

                                System.out.print ("\nData 2 = ");

                                for (int l = 0; l<data2.length; l++){

                                                System.out.print (data2[l] + " ");

                                }

                                System.out.print ("\n--------------------------------\nData yang sama = ");

                                for (int i = 0; i<data1.length; i++){

                                                for (int j = 0; j<data2.length; j++){

                                                                if (data1[i]==data2[j])

                                                                                System.out.print (data1[i] + " ");

                                                }

                                }             

}

}