单项选择题
A. s.writeInt(x);
B. s.serialize(x);
C. s.writeObject(x);
D. s.defaultWriteObject();
单项选择题 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?()
单项选择题 Assuming that the serializeBanana() and the deserializeBanana() methods will correctly use Java serialization and given: import java.io.*; class Food implemertts Serializable {int good = 3;} class Fruit externds Food {int juice = 5;} public class Banana extends Fruit { int yellow = 4; public static void main(String [] args) { Banana b = new Banana(); Banana b2 = new Banana(); b.serializeBanana(b); // assume correct serialization b2 = b.deserializeBanana(); // assume correct System.out.println(”restore “+b2.yellow+ b2.juice+b2.good); } // more Banana methods go here } What is the result?()
多项选择题 Whichthreeconcerningtheuseofthejava.io.Serializableinterfacearetrue?()