sample program for polymorphism

[murali23krishna]

class A
{
public void display(int num)
{
system.out.println(num);
}
public void display(long num)
{
system.out.println(num);
}
public static void main(String args[])
{
A a=new A[];
a.display(10);
}
}
which method invoke first?
please provide correct answer.here long also part of integer type.difference is only memory allocations.

[mr.ab18]

if you write 10 then it will be considered as int. If you write 10L, it will be considered as long. Your code has error too. it should be A();