with b70 - java.util.zip.ZipOutputStream.setComment(String comment) doesn't throw NullPointerException when ' null ' is passed as comment.

            Test program
----------------------------------------------

import java.io.*;
import java.util.*;
import java.util.zip.*;

public class setCommentTests {

  public static void main(String[] args) throws Exception {

    setCommentTests test=new setCommentTests();
    test.Test01();

    
  } // end main
  
  /**
   * Test Test01: comment = null, test should throw NullPointerException
   */
  public void Test01() {
    boolean exceptionThrown = false;
    String sComment = null;
    
    try {
     ZipOutputStream zos = new ZipOutputStream(System.out);
     zos.setComment(sComment);
    } catch (Exception e) {
     exceptionThrown = true;
        if ( e instanceof NullPointerException ) {
          System.out.println ("Expected NullPointerException thrown");
       } else {
       System.out.println ("Exception thrown, but not the expected NullPointerException");
       }
       e.printStackTrace();
    }
    
    if ( ! (exceptionThrown) ) {
      
      System.out.println ("No Exception thrown");
    }
   
  }
    
 
}

-------------------------------------------------------

              TestResult with b70
-------------------------------------------------

No Exception thrown


             TestResult with b69
-----------------------------------------------------
Expected NullPointerException thrown
java.lang.NullPointerException
        at java.util.zip.ZipOutputStream.setComment(ZipOutputStream.java:74)
        at setCommentTests.Test01(setCommentTests.java:25)
        at setCommentTests.main(setCommentTests.java:11)

--------------------------------------