單項(xiàng)選擇題

Assuming that the serializeBanana2() and the deserializeBanana2() methods will correctly use Java serialization and given: 
import java.io.*; 
class Food {Food() { System.out.print(”1”); } } 
class Fruit extends Food implements Serializable { 
Fruit() { System.out.print(”2”); } } 
public class Banana2 extends Fruit { int size = 42; 
public static void main(String [] args) { 
Banana2 b = new Banana2(); 
b.serializeBanana2(b); // assume correct serialization 
b = b.deserializeBanana2(b); // assume correct 
System.out.println(” restored “+ b.size + “ “); } 
// more Banana2 methods 
} 
What is the result?() 

A. Compilation fails.
B. 1 restored 42
C. 12 restored 42
D. 121 restored 42
E. 1212 restored 42
F. An exception is thrown at runtime.

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