Class NullValue


  • public final class NullValue
    extends java.lang.Object
    Marker object of a `null` value. A null value in the map is usually considered the key does not exist. For example map = {"a": null}, if map.get("a") == null, we treat it as the there is not key "a" in the map.
    • Field Detail

      • INSTANCE

        public static final NullValue INSTANCE
    • Method Detail

      • instance

        public static NullValue instance()
      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object