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23 
24 /**
25  * @test
26  * @bug 6271375 7059546
27  * @summary Make sure DateFormatSymbols serialization works
28  *    correctly for 'zoneStrings' field
29  */
30 
31 import java.util.*;
32 import java.text.*;
33 import java.io.*;
34 
35 public class bug6271375 {
36 
main(String[] args)37     public static void main(String[] args) throws Exception {
38         DateFormatSymbols dfsSrc = DateFormatSymbols.getInstance();
39 
40         try (FileOutputStream fos = new FileOutputStream("dfs.ser");
41              ObjectOutputStream oStream = new ObjectOutputStream(fos)) {
42             oStream.writeObject(dfsSrc);
43         } catch (Exception e) {
44             throw new RuntimeException("An exception is thrown.", e);
45         }
46 
47         try (FileInputStream fis = new FileInputStream("dfs.ser");
48              ObjectInputStream iStream = new ObjectInputStream(fis)) {
49             DateFormatSymbols dfsDest = (DateFormatSymbols)iStream.readObject();
50 
51             String[][] zoneStringsSrc = dfsSrc.getZoneStrings();
52             String[][] zoneStringsDest = dfsDest.getZoneStrings();
53 
54             if (!Arrays.deepEquals(zoneStringsSrc, zoneStringsDest)) {
55                 throw new RuntimeException("src and dest zone strings are not equal");
56             }
57         } catch (Exception e) {
58             throw new RuntimeException("An exception is thrown.", e);
59         }
60     }
61 }
62