class Test{
    void func(A a){
        a = new A();
        a.value = 16;
    }

    void func1(A a){
        a.value = 16;
    }

    public static void main(String aaa[]){
        Test ttt = new Test();
        A a = new A();
        a.value = 8;
        System.out.println(a.value);
        ttt.func(a);
        System.out.println(a.value);
        System.out.println(a.value);
        ttt.func1(a);
        System.out.println(a.value);
    }
}