import java.io.ObjectStreamClass;
/**
* This program shows how to use getSerialVersionUID for a class that isn't in a
* package and thus not findable to the normal "serialver" tool.
*
* @author Ian Darwin, http://www.darwinsys.com/
*/
public class GetSerVersUID {
static final String ident = "$Id: GetSerVersUID.java,v 1.5 2004/02/09 03:33:53 ian Exp $";
public static void main(String[] av) throws Exception {
// First we construct a Class object for the given class
Class cl = Class.forName("Candidate");
// Then an ObjectStreamClass for the given class
ObjectStreamClass ocl = ObjectStreamClass.lookup(cl);
// And use the ObjectStreamClass to get the Class'
// unique SerialVersionUID
System.out.println("For class " + cl);
System.out.println("static final long serialVersionUID = "
+ ocl.getSerialVersionUID() + "L;"); // must be long
// And just for reference...
System.out.println("(Must range from " + Long.MIN_VALUE + " to "
+ Long.MAX_VALUE + ".)");
}
}
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