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SCJP Module-11 Question-8

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The Sample example given below will test your understanding about the FileOutputStream class.

Given a sample code:

1    import java.io.*;

2    class Test implements Serializable {
3    private static final long serialVersionUID = 1L;

4    public static void main(String[] args) {
5    Test f = new Test();
6    try {
7    FileOutputStream fs = new FileOutputStream("serializable.ser");
8    // Place code here
9    os.writeObject(f);
10  os.close();
11  } catch (Exception ex) {
12  ex.printStackTrace();
}}}

What will be placed at line no 8 for successful serialization ?

(A) ObjectOutputStream os = new ObjectOutputStream(fs);
(B) New dataOutputStream(os);
(C) New dataOutputStream(new OutputStream(os));.
(D) DataOutputStream(os);

Answer:

(A)

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