Examples of java.util.NavigableMap.firstEntry()

java.util.NavigableMap.firstEntry()
Returns a key-value mapping associated with the least key in this map, or {@code null} if the map is empty. @return an entry with the least key,or {@code null} if this map is empty


        decendingMap = navigableMap_startIncluded_endExcluded.descendingMap();
        assertEquals(108, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startIncluded_endIncluded.descendingMap();
        assertEquals(109, decendingMap.firstEntry().getValue());
    }


    public void test_DescendingSubMap_floorEntry() {
        NavigableMap decendingMap = tm.descendingMap();
        String key = new Integer(-1).toString();

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                descendingMap.lastEntry());


        assertEquals(navigableMap_startExcluded_endExcluded.lastKey(),
                descendingMap.firstKey());
        assertEquals(navigableMap_startExcluded_endExcluded.lastEntry(),
                descendingMap.firstEntry());


        descendingMap = navigableMap_startExcluded_endIncluded.descendingMap();
        assertEquals(navigableMap_startExcluded_endIncluded.size(),
                descendingMap.size());
        assertNotNull(descendingMap.comparator());

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                descendingMap.lastEntry());


        assertEquals(navigableMap_startExcluded_endIncluded.lastKey(),
                descendingMap.firstKey());
        assertEquals(navigableMap_startExcluded_endIncluded.lastEntry(),
                descendingMap.firstEntry());


        descendingMap = navigableMap_startIncluded_endExcluded.descendingMap();
        assertEquals(navigableMap_startIncluded_endExcluded.size(),
                descendingMap.size());
        assertNotNull(descendingMap.comparator());

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                descendingMap.lastEntry());


        assertEquals(navigableMap_startIncluded_endExcluded.lastKey(),
                descendingMap.firstKey());
        assertEquals(navigableMap_startIncluded_endExcluded.lastEntry(),
                descendingMap.firstEntry());


        descendingMap = navigableMap_startIncluded_endIncluded.descendingMap();
        assertEquals(navigableMap_startIncluded_endIncluded.size(),
                descendingMap.size());
        assertNotNull(descendingMap.comparator());

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                descendingMap.lastEntry());


        assertEquals(navigableMap_startIncluded_endIncluded.lastKey(),
                descendingMap.firstKey());
        assertEquals(navigableMap_startIncluded_endIncluded.lastEntry(),
                descendingMap.firstEntry());
    }


    public void test_AscendingSubMap_floorEntry() {
        String key = new Integer(99).toString();
        assertEquals(108, navigableMap_startExcluded_endExcluded

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        assertEquals(decendingMapTailMap, decendingDecendingTailMap);
    }


    public void test_DescendingSubMap_firstEntry() {
        NavigableMap decendingMap = tm.descendingMap();
        assertEquals(999, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startExcluded_endExcluded.descendingMap();
        assertEquals(108, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startExcluded_endIncluded.descendingMap();

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    public void test_DescendingSubMap_firstEntry() {
        NavigableMap decendingMap = tm.descendingMap();
        assertEquals(999, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startExcluded_endExcluded.descendingMap();
        assertEquals(108, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startExcluded_endIncluded.descendingMap();
        assertEquals(109, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startIncluded_endExcluded.descendingMap();

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        decendingMap = navigableMap_startExcluded_endExcluded.descendingMap();
        assertEquals(108, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startExcluded_endIncluded.descendingMap();
        assertEquals(109, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startIncluded_endExcluded.descendingMap();
        assertEquals(108, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startIncluded_endIncluded.descendingMap();

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        decendingMap = navigableMap_startExcluded_endIncluded.descendingMap();
        assertEquals(109, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startIncluded_endExcluded.descendingMap();
        assertEquals(108, decendingMap.firstEntry().getValue());


        decendingMap = navigableMap_startIncluded_endIncluded.descendingMap();
        assertEquals(109, decendingMap.firstEntry().getValue());
    }

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