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public class A {
public A() {
System.out.println("A");
}
}
public class Test {
public static void main(String... args) throws Exception {
A a = new A();
ObjectOutputStream save = new ObjectOutputStream(new FileOutputStream("datafile"));
save.writeObject(a);
save.flush();
ObjectInputStream restore = new ObjectInputStream(new FileInputStream("datafile"));
A z = (A) restore.readObject();
}
}

What is the output?

A.	A A	B.	A
C.	java.io.NotSerializableException	D.	None of the above

Answer and Explanation

Answer: java.io.NotSerializableException

Explanation:
Class A does not implements Serializable interface. So throws
NotSerializableException on trying to Serialize a non Serializable object.

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