Added ArrayList example to EnumIterationExamples
package com.baeldung.java.enumiteration;
+import java.util.ArrayList;
+import java.util.Arrays;
import java.util.EnumSet;
+import java.util.List;
+
public class EnumIterationExamples {
public static void main(String[] args) {
- System.out.println("Enum iteration using forEach:");
+ System.out.println("Enum iteration using EnumSet:");
EnumSet.allOf(DaysOfWeekEnum.class).forEach(day -> System.out.println(day));
System.out.println("Enum iteration using Stream:");
DaysOfWeekEnum.stream().filter(d -> d.getTypeOfDay().equals("off")).forEach(System.out::println);
- System.out.println("Enum iteration using for loop:");
+ System.out.println("Enum iteration using a for loop:");
for (DaysOfWeekEnum day : DaysOfWeekEnum.values()) {
System.out.println(day);
}
+
+ System.out.println("Enum iteration using Arrays.asList():");
+ Arrays.asList(DaysOfWeekEnum.values()).forEach(day -> System.out.println(day));
+
+ System.out.println("Add Enum values to ArrayList:");
+ List<DaysOfWeekEnum> days = new ArrayList<>();
+ days.add(DaysOfWeekEnum.FRIDAY);
+ days.add(DaysOfWeekEnum.SATURDAY);
+ days.add(DaysOfWeekEnum.SUNDAY);
+ for (DaysOfWeekEnum day : days) {
+ System.out.println(day);
+ }
+ System.out.println("Remove SATURDAY from the list:");
+ days.remove(DaysOfWeekEnum.SATURDAY);
+ if (!days.contains(DaysOfWeekEnum.SATURDAY)) {
+ System.out.println("Saturday is no longer in the list");
+ }
+ for (DaysOfWeekEnum day : days) {
+ System.out.println(day);
+ }
+
}
}
