Java Reference

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]);
    }
}