please help
package com.codegym.task.task20.task2017;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
/*
Deserialization
*/
public class Solution {
public A getOriginalObject(ObjectInputStream objectStream) {
try {
A a = (A) objectStream.readObject();
if (a instanceof A)
return a;
else
return null;
}
catch (IOException e){
return null;
}
catch (ClassNotFoundException e){
return null;
}
}
public class A implements Serializable {
}
public class B extends A {
public B() {
System.out.println("inside B");
}
}
public static void main(String[] args) {
}
}