Examples of java.util.SortedMap.keySet()

java.util.SortedMap.keySet()
Returns a {@link Set} view of the keys contained in this map.The set's iterator returns the keys in ascending order. The set is backed by the map, so changes to the map are reflected in the set, and vice-versa. If the map is modified while an iteration over the set is in progress (except through the iterator's own remove operation), the results of the iteration are undefined. The set supports element removal, which removes the corresponding mapping from the map, via the Iterator.remove, Set.remove, removeAll, retainAll, and clear operations. It does not support the add or addAll operations. @return a set view of the keys contained in this map, sorted inascending order

        subMap = tm.subMap(startKey, endKey);
        assertEquals(0, subMap.keySet().size());


        endKey = new Integer(1).toString();
        subMap = tm.subMap(startKey, endKey);
        assertEquals(1, subMap.keySet().size());


        startKey = new Integer(999).toString();
        endKey = startKey;
        subMap = tm.subMap(startKey, endKey);
        assertEquals(0, subMap.keySet().size());

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        assertEquals(1, subMap.keySet().size());


        startKey = new Integer(999).toString();
        endKey = startKey;
        subMap = tm.subMap(startKey, endKey);
        assertEquals(0, subMap.keySet().size());
    }


    public void test_SubMapKeySet_remove() {
        Set keySet = subMap_default.keySet();
        try {

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        }


        return new TermPositionVector() {


            private String[] terms =
                    (String[]) termMap.keySet().toArray(new String[termMap.size()]);


            public int[] getTermPositions(int index) {
                return null;
            }

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        // no tests I can think of
    }
    
    public void testFirstKey() {
        SortedMap sm = (SortedMap) makeFullMap();
        assertSame(sm.keySet().iterator().next(), sm.firstKey());
    }
    
    public void testLastKey() {
        SortedMap sm = (SortedMap) makeFullMap();
        Object obj = null;

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    }
    
    public void testLastKey() {
        SortedMap sm = (SortedMap) makeFullMap();
        Object obj = null;
        for (Iterator it = sm.keySet().iterator(); it.hasNext();) {
            obj = (Object) it.next();
        }
        assertSame(obj, sm.lastKey());
    }

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        if (! interestingHeaders.containsKey("content-md5")) {
            interestingHeaders.put("content-md5", "");
        }


        // Finally, add all the interesting headers (i.e.: all that startwith x-amz- ;-))
        for (Iterator i = interestingHeaders.keySet().iterator(); i.hasNext(); ) {
            String key = (String)i.next();
            if (key.startsWith(AMAZON_HEADER_PREFIX)) {
                buf.append(key).append(':').append(interestingHeaders.get(key));
            } else {
                buf.append(interestingHeaders.get(key));

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      }


      return new TermPositionVector()
      {


         private String[] terms = (String[])termMap.keySet().toArray(new String[termMap.size()]);


         public int[] getTermPositions(int index)
         {
            return null;
         }

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        }
    }


    public void testCustomCharset() throws UnsupportedEncodingException, DecoderException {
        SortedMap map = Charset.availableCharsets();
        Set keys = map.keySet();
        Iterator iterator = keys.iterator();
        log("testCustomCharset: Checking " + keys.size() + " charsets...");
        while (iterator.hasNext()) {
            String name = (String) iterator.next();
            testCustomCharset(name, "testCustomCharset");

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        // create OrderSets, wiring up parents and children.


        // since sortedMembersByGroup is a SortedMap, the
        // iteration will be in alphabetical order (ie parent groups before their children).
        final Set groupNames = sortedMembersByGroup.keySet();
        final SortedMap orderSetsByGroup = new TreeMap();


        for (final Iterator iter = groupNames.iterator(); iter.hasNext();) {
            final String groupName = (String) iter.next();
            final DeweyOrderSet deweyOrderSet = new DeweyOrderSet(groupName);

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        }
    }


    public void testCustomCharset() throws UnsupportedEncodingException, DecoderException {
        SortedMap map = Charset.availableCharsets();
        Set keys = map.keySet();
        Iterator iterator = keys.iterator();
        log("testCustomCharset: Checking " + keys.size() + " charsets...");
        while (iterator.hasNext()) {
            String name = (String) iterator.next();
            testCustomCharset(name, "testCustomCharset");

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