Examples of java.util.SortedMap.entrySet()

java.util.SortedMap.entrySet()
Returns a {@link Set} view of the mappings contained in this map.The set's iterator returns the entries in ascending key 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, or through the setValue operation on a map entry returned by the iterator) 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 mappings contained in this map,sorted in ascending key order

    SortedMap sortedA = new TreeMap(comparator);
    sortedA.putAll(a);
    Iterator<Map.Entry> iterA = sortedA.entrySet().iterator();
    SortedMap sortedB = new TreeMap(comparator);
    sortedB.putAll(b);
    Iterator<Map.Entry> iterB = sortedB.entrySet().iterator();


    // Compare each item.
    while (iterA.hasNext() && iterB.hasNext()) {
      Map.Entry entryA = iterA.next();
      Map.Entry entryB = iterB.next();

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        }


        String startKey = new Integer(-1).toString();
        String endKey = new Integer(0).toString();
        SortedMap subMap = tm.subMap(startKey, endKey);
        entrySet = subMap.entrySet();
        iterator = entrySet.iterator();
        try {
            iterator.next();
            fail("should throw NoSuchElementException");
        } catch (NoSuchElementException e) {

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            // Expected
        }


        endKey = new Integer(1).toString();
        subMap = tm.subMap(startKey, endKey);
        entrySet = subMap.entrySet();
        iterator = entrySet.iterator();
        assertEquals(0, ((Entry) iterator.next()).getValue());
        try {
            iterator.next();
            fail("should throw NoSuchElementException");

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            // Expected
        }


        endKey = new Integer(2000).toString();
        subMap = tm.subMap(startKey, endKey);
        entrySet = subMap.entrySet();
        iterator = entrySet.iterator();
        for (int i = 0; i < subMap.size(); i++) {
            iterator.next();
        }
        try {

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        assertFalse(subMap_startIncluded_endIncluded.entrySet().isEmpty());


        String startKey = new Integer(0).toString();
        String endKey = startKey;
        SortedMap subMap = tm.subMap(startKey, endKey);
        assertTrue(subMap.entrySet().isEmpty());


        startKey = new Integer(-1).toString();
        subMap = tm.subMap(startKey, endKey);
        assertTrue(subMap.entrySet().isEmpty());

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        SortedMap subMap = tm.subMap(startKey, endKey);
        assertTrue(subMap.entrySet().isEmpty());


        startKey = new Integer(-1).toString();
        subMap = tm.subMap(startKey, endKey);
        assertTrue(subMap.entrySet().isEmpty());


        endKey = new Integer(1).toString();
        subMap = tm.subMap(startKey, endKey);
        assertFalse(subMap.entrySet().isEmpty());
    }

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        subMap = tm.subMap(startKey, endKey);
        assertTrue(subMap.entrySet().isEmpty());


        endKey = new Integer(1).toString();
        subMap = tm.subMap(startKey, endKey);
        assertFalse(subMap.entrySet().isEmpty());
    }


    public void test_SubMapEntrySet_size() {
        assertEquals(9, subMap_default.entrySet().size());
        assertEquals(8, subMap_startExcluded_endExcluded.entrySet().size());

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        assertEquals(10, subMap_startIncluded_endIncluded.entrySet().size());


        String startKey = new Integer(0).toString();
        String endKey = new Integer(2).toString();
        SortedMap subMap = tm.subMap(startKey, endKey);
        assertEquals(112, subMap.entrySet().size());


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

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        assertEquals(112, subMap.entrySet().size());


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


        startKey = new Integer(-1).toString();
        endKey = startKey;
        subMap = tm.subMap(startKey, endKey);
        assertEquals(0, subMap.entrySet().size());

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        assertEquals(0, subMap.entrySet().size());


        startKey = new Integer(-1).toString();
        endKey = startKey;
        subMap = tm.subMap(startKey, endKey);
        assertEquals(0, subMap.entrySet().size());


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

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