class NonPrimitif { public static void main(String[] args) { String alamat ="Jl. Maharaja Indra No. 30"; System.out.println("String alamat:"+ alamat); int[] angka ={ 10,3,44,21}; System.out.println("contoh array :"+ angka[1]); contoh c = new contoh(); System.out.println("contoh object: "+ c.tampil()); } } class contoh { private int angka = 10; public int tampil() { return angka; } }