55 lines
2.1 KiB
Java
55 lines
2.1 KiB
Java
// generics/WatercolorSets.java
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// (c)2017 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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import generics.watercolors.*;
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import java.util.*;
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import static onjava.Sets.*;
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import static generics.watercolors.Watercolors.*;
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public class WatercolorSets {
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public static void main(String[] args) {
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Set<Watercolors> set1 =
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EnumSet.range(BRILLIANT_RED, VIRIDIAN_HUE);
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Set<Watercolors> set2 =
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EnumSet.range(CERULEAN_BLUE_HUE, BURNT_UMBER);
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System.out.println("set1: " + set1);
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System.out.println("set2: " + set2);
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System.out.println(
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"union(set1, set2): " + union(set1, set2));
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Set<Watercolors> subset = intersection(set1, set2);
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System.out.println(
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"intersection(set1, set2): " + subset);
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System.out.println("difference(set1, subset): " +
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difference(set1, subset));
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System.out.println("difference(set2, subset): " +
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difference(set2, subset));
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System.out.println("complement(set1, set2): " +
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complement(set1, set2));
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}
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}
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/* Output:
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set1: [BRILLIANT_RED, CRIMSON, MAGENTA, ROSE_MADDER,
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VIOLET, CERULEAN_BLUE_HUE, PHTHALO_BLUE, ULTRAMARINE,
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COBALT_BLUE_HUE, PERMANENT_GREEN, VIRIDIAN_HUE]
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set2: [CERULEAN_BLUE_HUE, PHTHALO_BLUE, ULTRAMARINE,
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COBALT_BLUE_HUE, PERMANENT_GREEN, VIRIDIAN_HUE,
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SAP_GREEN, YELLOW_OCHRE, BURNT_SIENNA, RAW_UMBER,
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BURNT_UMBER]
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union(set1, set2): [BURNT_SIENNA, BRILLIANT_RED,
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YELLOW_OCHRE, MAGENTA, SAP_GREEN, CERULEAN_BLUE_HUE,
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ULTRAMARINE, VIRIDIAN_HUE, VIOLET, RAW_UMBER,
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ROSE_MADDER, PERMANENT_GREEN, BURNT_UMBER,
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PHTHALO_BLUE, CRIMSON, COBALT_BLUE_HUE]
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intersection(set1, set2): [PERMANENT_GREEN,
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CERULEAN_BLUE_HUE, ULTRAMARINE, VIRIDIAN_HUE,
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PHTHALO_BLUE, COBALT_BLUE_HUE]
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difference(set1, subset): [BRILLIANT_RED, MAGENTA,
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VIOLET, CRIMSON, ROSE_MADDER]
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difference(set2, subset): [BURNT_SIENNA, YELLOW_OCHRE,
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BURNT_UMBER, SAP_GREEN, RAW_UMBER]
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complement(set1, set2): [BURNT_SIENNA, BRILLIANT_RED,
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YELLOW_OCHRE, MAGENTA, SAP_GREEN, VIOLET, RAW_UMBER,
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ROSE_MADDER, BURNT_UMBER, CRIMSON]
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*/
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