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Core Java - Interview Questions and Answers for 'Notserializableexception' - 2 question(s) found - Order By Rating

 Q1. What is the problem with this code ?

class BuggyBread1 {

private BuggyBread2 buggybread2;

public static void main(String[] args){
try {
BuggyBread1 buggybread1 = new BuggyBread1();
ObjectOutputStream objectOutputStream = new ObjectOutputStream(new FileOutputStream(new File("newFile.txt")));
objectOutputStream.writeObject(buggybread1);
} catch (Exception e) {
e.printStackTrace();
}
}
}
Core Java
Ans. Though we are trying to serialize BuggyBread1 object but we haven't declared the class to implement Serializable.

This will throw java.io.NotSerializableException upon execution.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     java   io   file   fileio   coding   code   serialization   notserializableexception   exception   file handling


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  What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?
  Which is the abstract parent class of FileWriter ?
  Which class is used to read streams of characters from a file?
  Which class is used to read streams of raw bytes from a file?
  Which is the Parent class of FileInputStream ?
  Difference between Scanner and BufferedReader ? Which one is faster and Why ?


 Q2. Will this code run fine if BuggyBread2 doesn't implement Serializable interface ?

class BuggyBread1 implements Serializable{
private BuggyBread2 buggybread2 = new BuggyBread2();

public static void main(String[] args){
try {
BuggyBread1 buggybread1 = new BuggyBread1();
ObjectOutputStream objectOutputStream = new ObjectOutputStream(new FileOutputStream(new File("newFile.txt")));
objectOutputStream.writeObject(buggybread1);
} catch (Exception e) {
e.printStackTrace();
}
}
}
Core Java
Ans. No, It will throw java.io.NotSerializableException.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     java   io   file   fileio   coding   code   serialization   notserializableexception   exception   file handling


Related Questions

  What is a stream and what are the types of Streams and classes of the Streams?
  Name few File IO related classes and interfaces ?
  Tell something about BufferedWriter ? What are flush() and close() used for ?
  What is Scanner class used for ? when was it introduced in Java ?
  What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?
  Which is the abstract parent class of FileWriter ?
  Which class is used to read streams of characters from a file?
  Which class is used to read streams of raw bytes from a file?
  Which is the Parent class of FileInputStream ?
  Difference between Scanner and BufferedReader ? Which one is faster and Why ?



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