Top "Enumset" questions

A specialized Set implementation for use with enum types.

What does EnumSet really mean?

I have the following example: import java.util.EnumSet; import java.util.Iterator; public class SizeSet { public static void main(…

java object enums enumset
Implementing a bitfield using java enums

I maintain a large document archive and I often use bit fields to record the status of my documents during …

java enums enumset
java enums ordering

Im using java enums to define how to render a modal window with buttons (Vaadin handles the rendering). My problem …

java enums enumset
How to create empty EnumSet?

I am struggling with EnumSet as it surprisingly doesn't have a simple constructor and its methods doesn't like null values. …

java enumset
Best practice of using flags in Java method

What's the best practice for specifying flags in a Java method? I've seen SWT using int as bitfields, like: (example …

java swt flags enumset
java enum with enum in constructor

Is it possible to let a enum in java take a set of enums as as argument? If yes, then …

java enums enumset
EnumSet from array, shortest variant?

I need an EnumSet from an array (which is given through a varargs method parameter). First, I was surprised that …

java arrays enums variadic-functions enumset
java.util.stream.Collectors with EnumSet Stream

I'm trying to use in place of bitmask below is the code public static Set<Amenities> fromBitFlags(int …

java java-8 java-stream enumset
Combining Java EnumSets

If I have an Enum, I can create an EnumSet using the handy EnumSet class enum Suit { CLUBS, DIAMONDS, HEARTS, …

java enumset
Java - EnumSet.add(enum), throws NullPointerException

This is in Java, cross platform and being debugged on a computer running Ubuntu Oneric with OpenJDK installed as my …

java enums nullpointerexception enumset