Class Empty


  • public final class Empty
    extends java.lang.Object
    Class which holds a static reference to a set of empty objects. This is created for performance reasons. Using this class will prevent creating duplicated "empty" object.
    Author:
    David Kincade
    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.util.List LIST
      Deprecated.
      this is a redeclaration of the Collections.EMPTY_LIST field and should be killed.
      static java.util.Map MAP
      An empty Map.
      static java.lang.String STRING
      The empty string.
      static java.lang.String[] STRING_ARRAY
      An empty array of Strings.
    • Method Summary

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • STRING_ARRAY

        public static final java.lang.String[] STRING_ARRAY
        An empty array of Strings.
      • MAP

        public static final java.util.Map MAP
        An empty Map. (Collections.EMPTY_MAP is not available until JDK 1.4)
      • LIST

        public static final java.util.List LIST
        Deprecated.
        this is a redeclaration of the Collections.EMPTY_LIST field and should be killed.
        An empty List.