Enum Tristate

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Comparable<Tristate>

    public enum Tristate
    extends java.lang.Enum<Tristate>
    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description
      False
      The state of the thing is false.
      True
      The state of the thing is true.
      Unknown
      The state of the thing is not known.
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static Tristate valueOf​(java.lang.String name)
      Returns the enum constant of this type with the specified name.
      static Tristate[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.
      • Methods inherited from class java.lang.Enum

        clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf
      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait
    • Enum Constant Detail

      • Unknown

        public static final Tristate Unknown
        The state of the thing is not known.
      • False

        public static final Tristate False
        The state of the thing is false.
      • True

        public static final Tristate True
        The state of the thing is true.
    • Method Detail

      • values

        public static Tristate[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
        for (Tristate c : Tristate.values())
            System.out.println(c);
        
        Returns:
        an array containing the constants of this enum type, in the order they are declared
      • valueOf

        public static Tristate valueOf​(java.lang.String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
        java.lang.NullPointerException - if the argument is null