BAEL-2259 - Guide to EnumSet (#5423)

* EnumSet

* enumset operations

* formatting
This commit is contained in:
Marcos Lopez Gonzalez 2018-10-13 13:04:22 +02:00 committed by Eugen
parent a05b6b672a
commit 435af770b3
1 changed files with 45 additions and 0 deletions

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package com.baeldung.enumset;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
public class EnumSets {
public enum Color {
RED, YELLOW, GREEN, BLUE, BLACK, WHITE
}
public static void main(String[] args) {
EnumSet<Color> allColors = EnumSet.allOf(Color.class);
System.out.println(allColors);
EnumSet<Color> noColors = EnumSet.noneOf(Color.class);
System.out.println(noColors);
EnumSet<Color> blackAndWhite = EnumSet.of(Color.BLACK, Color.WHITE);
System.out.println(blackAndWhite);
EnumSet<Color> noBlackOrWhite = EnumSet.complementOf(blackAndWhite);
System.out.println(noBlackOrWhite);
EnumSet<Color> range = EnumSet.range(Color.YELLOW, Color.BLUE);
System.out.println(range);
EnumSet<Color> blackAndWhiteCopy = EnumSet.copyOf(EnumSet.of(Color.BLACK, Color.WHITE));
System.out.println(blackAndWhiteCopy);
List<Color> colorsList = new ArrayList<>();
colorsList.add(Color.RED);
EnumSet<Color> listCopy = EnumSet.copyOf(colorsList);
System.out.println(listCopy);
EnumSet<Color> set = EnumSet.noneOf(Color.class);
set.add(Color.RED);
set.add(Color.YELLOW);
set.contains(Color.RED);
set.forEach(System.out::println);
set.remove(Color.RED);
}
}