Java: When B is serialized then also the fields of class A will be serialized?

392 views

If class A does not implement Serializable but a subclass B implements Serializable.

posted Sep 30, 2013 by Manish Negi

Share this question

Facebook Share Button

Twitter Share Button

LinkedIn Share Button

1 Answer

Only the fields of Serializable objects are written out and restored. The object may be restored only if class A has a no-arg constructor that will initialize the fields of non-serializable supertypes. If the subclass has access to the state of the superclass it can implement writeObject and readObject to save and restore that state.

answer Sep 30, 2013 by Satyabrata Mahapatra

Similar Questions

+2 votes

Given 2 strings, a and b, return a string of the form short+long+short in JAVA.. If "hi" and "hello", then "hihellohi"?

Given 2 strings, a and b, return a string of the form shorterString+longerString+shorterString, with the shorter string on the outside and the longer string on the inside. The strings will not be the same length, but they may be empty (length 0). If input is "hi" and "hello", then output will be "hihellohi".

0 votes

What is the use of constructor in abstract class when an instance of that class can't be created in Java ?

+1 vote

Is Java is a purely Object Oriented programming language, if Not then write a program without class & objects?

Java is a purely Object Oriented programming language or not.......?
If Not
Then write a program without class & objects.......

+1 vote

What are the disadvantages of using Static method in a Java class? Will it create OutOfMemory Error?

+3 votes

Java: Why a += b does not give any compile error while a = a + b does when a is int and b is double?

In Java
I am using statement a += b where a is int and b is double, when I use a += b, it won't give error but in case of a = a + b it gives error, why ?

...