Java Overloading Quiz 1

What is the output of the following code?

public class Test{
    static void m1(Integer i){
        System.out.println(1);
    }

    static void m1(Double d){
        System.out.println(2);
    }

    static void m1(Number n){
        System.out.println(4);
    }

    static void m1(Object o){
        System.out.println(5);
    }

    public static void main(String[] args)
    {
        m1((short)12);
    }
}