LocaleSerialisation.java

import java.io.*;
import java.util.Locale;

public class LocaleSerialisation {
    public static void main(String[] args) throws IOException, ClassNotFoundException {

        Locale toWrite = new Locale("en", "EN");

        ByteArrayOutputStream byteOutput = new ByteArrayOutputStream();
        ObjectOutputStream output = new ObjectOutputStream(byteOutput);
        output.writeObject(toWrite);

        ObjectInputStream input = new ObjectInputStream(new ByteArrayInputStream(byteOutput.toByteArray()));
        Locale read = (Locale) input.readObject();

        Locale fresh = new Locale("en", "EN");

        assert read.equals(fresh);
    }
}