tiennm99/java-design-patterns
1
0
Fork 0
mirror of https://github.com/tiennm99/java-design-patterns.git synced 2026-05-15 00:58:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added real world example for Memento.

Browse Source
This commit is contained in:
Ilkka Seppälä
2015-02-25 21:04:31 +02:00
parent 87672c67fb
commit d94cb0e243
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
README.md
+2
View File
@@ -292,6 +292,8 @@
* a snapshot of an object's state must be saved so that it can be restored to that state later, and
* a direct interface to obtaining the state would expose implementation details and break the object's encapsulation
**Real world examples:**
* [java.util.Date](http://docs.oracle.com/javase/6/docs/api/java/util/Date.html)
## <a name="observer">Observer</a> [&#8593;](#list-of-design-patterns)
**Intent:** Define a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.