Which of the following 5 points statements is a correct initialization of an array of 4 cells? * double [] a1 = new double ( 4 ); O double []a1 = new [ 4 ]; double [] a1 = { 5, 2, -1, 5} O double [ 4]a1 = new { 1, 2, 3, 4 }; %3D O All the above O None of the above