Serialization in Java MCQ

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• If the class implements java.io.Serializable, then it is serializable; otherwise, it’s not.
  ক

  True

  খ

  False
• What will be the value of transient field after deserialization:-
  ক

  0

  খ

  NULL

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• When serializing an object to a file, the standard convention in Java is to give the file a:
  ক

  .war

  খ

  .java

  গ

  .ser

  ঘ

  none of the mentioned
• For a class to be serialized successfully:
  ক

  The class must implement the java.io.Serializable interface.

  খ

  Every field in the class must be volatile.

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• The ObjectInputStream class contains methods for writing various data types.
  ক

  public final Object readObject()

  খ

  public final Object read(Object x)

  গ

  public final Object readFromObject(Object x)

  ঘ

  all of the mentioned
• The ObjectOutputStream class contains methods for writing various data types.
  ক

  public final void writeObject(Object x)

  খ

  public final void write(Object x)

  গ

  public final void writeToObject(Object x)

  ঘ

  all of the mentioned
• Classes which are high-level streams that contain the methods for serializing and deserializing an object.
  ক

  ObjectInputStream

  খ

  ObjectOutputStream

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• Serialization is JVM independent.
  ক

  True

  খ

  False
• After a serialized object has been written into a file, it can be read from the file and deserialized.
  ক

  True

  খ

  False
• Java provides a mechanism, where an object can be represented as a sequence of bytes:-
  ক

  Serialization

  খ

  Compilation

  গ

  All of the mentioned

  ঘ

  None of the mentioned