compiler error saying method of serializable to be overridden

[Achin Gupta]

package myjp;

import java.io.*;

class Doggy implements Serializable
{
int no;
String name;
void setName()
{
no=1;
name="aleha";
}
//public void serialize(){}
}

public class pr460
{
public static void main(String [] aregs)
{
Doggy d=new Doggy();
d.setName();
System.out.println(d.name);
try
{
FileOutputStream fos=new FileOutputStream("testSer.ser");
ObjectOutputStream oos=new ObjectOutputStream(fos);
oos.writeObject(d);
oos.close();
System.out.println("after   :"+d.name);
}
catch(Exception e)
{
e.printStackTrace();
}

try
{
FileInputStream fis=new FileInputStream("testSer.ser");
ObjectInputStream ois=new ObjectInputStream(fis);
d=(Doggy) ois.readObject();
ois.close();
}
catch(Exception e)
{
e.printStackTrace();
}
}
}

this is returning error saying a method serialize is to be overridden. serializable is a marker interface then how come??
plzz help...

/*the code is present in myjp folder*/

[Pramod P Deore]

when I run above code I got output as:
aleha
after :aleha

[Campbell Ritchie]

I got it to compile and run, despite the dreadful design of your Doggy class. You ought to set up those values in a constructor, rather than a method to set up those fields.
Please explain how you got that error in the first place.

[Achin Gupta]

sir i am still getting the same error. i am using jdk1.6 and compiled it with javac myjp/pr460.java and it doesn't compile giving error

Pramod P Deore wrote:when I run above code I got output as:
aleha
after :aleha

[Achin Gupta]

i accept the initialization of Doggy instances is not good but legal and still the code is not working. i am using jdk1.6 and compiling it with javac myjp/pr460.java

Campbell Ritchie wrote:I got it to compile and run, despite the dreadful design of your Doggy class. You ought to set up those values in a constructor, rather than a method to set up those fields.
Please explain how you got that error in the first place.

[Pramod P Deore]

compile it using as javac <Your class name>.java. Here in your case it must be ===> javac Doggy.java

not as==>javac myjp/pr460.java

[Pramod P Deore]

Sorry my mistake in above code you have to run your program like:

C:\examples>javac -d . pr460.java

C:\examples>java myjp.pr460
aleha
after   :aleha

[Jesper de Jong]

A possible reason why it doesn't work for Achin Gupta could be that he has defined his own interface called Serializable, and the Java compiler is picking that up instead of the standard java.io.Serializable.

If that's the case, then delete your own Serializable interface (and class file if you have it).

[Achin Gupta]

yes sir this was the problem now it compiles and runs... thank you.!!

Jesper de Jong wrote:A possible reason why it doesn't work for Achin Gupta could be that he has defined his own interface called Serializable, and the Java compiler is picking that up instead of the standard java.io.Serializable.

If that's the case, then delete your own Serializable interface (and class file if you have it).

[Achin Gupta]

sir the problem is solved.. thank you..!! i had a serializable class already..

Pramod P Deore wrote:Sorry my mistake in above code you have to run your program like:

C:\examples>javac -d . pr460.java

C:\examples>java myjp.pr460
aleha
after   :aleha