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SCJP Module-11 Question-4

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The Sample program given below will test your knowledge about the Serialization and persistent variable in Java.

Given a sample code:

1    import java.io.*;

2    class Student implements Serializable {
3    // Choose correct option
4    public Integer rollno;
5    public String address;
6    public transient int ccode;
}

What should be placed at line no-3 for appropriate serialVersionUID ? Choose the correct statement?

(A) final long serialVersionUID = any long value;
(B) ANY-ACCESS-MODIFIER static final long serialVersionUID = any long value;
(C) static int serialVersionUID = any integer value;
(D) float serialVersionUID = any float value;

Answer:

(B)

 

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