The behavior of a map is not specified if the value of an object is changed in a manner that affects equals comparisons while the object is a key in the map. Note: great care must be exercised if mutable objects are used as map keys. Some map implementations, like the TreeMap class, make specific guarantees as to their order others, like the HashMap class, do not. The order of a map is defined as the order in which the iterators on the map's collection views return their elements. The Map interface provides three collection views, which allow a map's contents to be viewed as a set of keys, collection of values, or set of key-value mappings. Convert Ptv Map&guide Truck Navigator 8.0 trail version to full software. Ptv Map&guide Truck Navigator 8.0 Serial Numbers. This interface takes the place of the Dictionary class, which was a totally abstract class rather than an interface. A map cannot contain duplicate keys each key can map to at most one value. Map Amp Guide Pc Truck Navigator 8 CrackĪn object that maps keys to values.