97 lines
2.2 KiB
Java
97 lines
2.2 KiB
Java
// collectiontopics/NavMap.java
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// (c)2020 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// NavigableMap produces pieces of a Map
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import java.util.*;
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import java.util.concurrent.*;
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import static onjava.HTMLColors.*;
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public class NavMap {
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public static final
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NavigableMap<Integer,String> COLORS =
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new ConcurrentSkipListMap<>(MAP);
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public static void main(String[] args) {
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show(COLORS.firstEntry());
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border();
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show(COLORS.lastEntry());
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border();
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NavigableMap<Integer, String> toLime =
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COLORS.headMap(rgb("Lime"), true);
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show(toLime);
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border();
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show(COLORS.ceilingEntry(rgb("DeepSkyBlue") - 1));
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border();
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show(COLORS.floorEntry(rgb("DeepSkyBlue") - 1));
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border();
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show(toLime.descendingMap());
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border();
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show(COLORS.tailMap(rgb("MistyRose"), true));
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border();
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show(COLORS.subMap(
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rgb("Orchid"), true,
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rgb("DarkSalmon"), false));
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}
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}
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/* Output:
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0x000000: Black
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******************************
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0xFFFFFF: White
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******************************
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0x000000: Black
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0x000080: Navy
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0x00008B: DarkBlue
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0x0000CD: MediumBlue
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0x0000FF: Blue
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0x006400: DarkGreen
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0x008000: Green
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0x008080: Teal
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0x008B8B: DarkCyan
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0x00BFFF: DeepSkyBlue
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0x00CED1: DarkTurquoise
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0x00FA9A: MediumSpringGreen
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0x00FF00: Lime
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******************************
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0x00BFFF: DeepSkyBlue
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******************************
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0x008B8B: DarkCyan
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******************************
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0x00FF00: Lime
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0x00FA9A: MediumSpringGreen
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0x00CED1: DarkTurquoise
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0x00BFFF: DeepSkyBlue
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0x008B8B: DarkCyan
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0x008080: Teal
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0x008000: Green
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0x006400: DarkGreen
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0x0000FF: Blue
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0x0000CD: MediumBlue
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0x00008B: DarkBlue
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0x000080: Navy
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0x000000: Black
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******************************
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0xFFE4E1: MistyRose
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0xFFEBCD: BlanchedAlmond
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0xFFEFD5: PapayaWhip
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0xFFF0F5: LavenderBlush
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0xFFF5EE: SeaShell
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0xFFF8DC: Cornsilk
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0xFFFACD: LemonChiffon
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0xFFFAF0: FloralWhite
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0xFFFAFA: Snow
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0xFFFF00: Yellow
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0xFFFFE0: LightYellow
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0xFFFFF0: Ivory
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0xFFFFFF: White
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******************************
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0xDA70D6: Orchid
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0xDAA520: GoldenRod
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0xDB7093: PaleVioletRed
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0xDC143C: Crimson
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0xDCDCDC: Gainsboro
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0xDDA0DD: Plum
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0xDEB887: BurlyWood
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0xE0FFFF: LightCyan
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0xE6E6FA: Lavender
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*/
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