same method with different class implemented

Question

We have two  class with same method. When create a object one class and is assigned the another class object.

public Class 1234

{

 Public void abcmethod() 

{ 

 

}

}

 

Public Class 5678

{

public void abcmethod()

{

}

}

 

class Program

{

 

Public static void main()

{ 

 1234 obj1 =new 1234();

5678 obj2;

obj2=obj1.abcmethod();

}

}