class Main { public static void main(String[] args) { boolean[] checked = { true, false, false }; boolean[] prefill = { false, false, false }; System.out.println("checked => " + checked[0] + "-" + checked[1] + "-" + checked[2]); System.out.println("prefill => " + prefill[0] + "-" + prefill[1] + "-" + prefill[2]); checked = prefill; System.out.println("checked updated 1 => " + checked[0] + "-" + checked[1] + "-" + checked[2]); System.out.println("prefill updated 1 => " + prefill[0] + "-" + prefill[1] + "-" + prefill[2]); checked[1] = true; checked[2] = true; System.out.println("checked updated 2 => " + checked[0] + "-" + checked[1] + "-" + checked[2]); System.out.println("prefill updated 2 => " + prefill[0] + "-" + prefill[1] + "-" + prefill[2]); } }