class ImplicitlyTypedArraySample { static void Main() { var a = new[] { 1, 10, 100, 1000 }; // int[] var b = new[] { "hello", null, "world" }; // string[] // single-dimension jagged array var c = new[] { new[]{1,2,3,4}, new[]{5,6,7,8} }; // jagged array of strings var d = new[] { new[]{"Luca", "Mads", "Luke", "Dinesh"}, new[]{"Karen", "Suma", "Frances"} }; } }