Categories:
.NET (961)
C (387)
C++ (185)
CSS (84)
DBA (8)
General (31)
HTML (48)
Java (641)
JavaScript (220)
JSP (109)
JUnit (31)
MySQL (297)
Networking (10)
Oracle (562)
Perl (48)
Perl (9)
PHP (259)
PL/SQL (140)
RSS (51)
Software QA (28)
SQL Server (5)
Struts (20)
Unix (2)
Windows (3)
XHTML (199)
XML (59)
Other Resources:
Describe the various components in sequence diagrams
Describe the various components in sequence diagrams?
✍: Guest
Object lifeline: It represents the lifetime of an object creation and its destruction. If the
object is created or destroyed during the time period the diagram represents, then the
lifeline stops or starts at the appropriate point. An object's destruction is marked with a
large X.
Activation: It’s time period during which actor is performing a action.
Lifeline :This says that there exists some condition on the object lifetime.
Message: It shows communication between objects that conveys information and results
in an action.
Message (call):It’s same like message but also conveys some information and results in
action.
All messages have same definition as the Message (Call) given above.
2-Element Constraint: It shows a constraint on two classes or associations.
OR constraint: It shows an OR constraint on two classes or associations.
2007-10-26, 5306👍, 0💬
Popular Posts:
Have you ever worked with Microsoft Application Blocks, if yes then which? Application Blocks are C#...
How To Write a Query with a Right Outer Join? - Oracle DBA FAQ - Understanding SQL SELECT Query Stat...
How comfortable are you with writing HTML documents entirely by hand? Everyone has a different prefe...
What is the difference between Class and structure’s ? Following are the key differences between the...
Can you explain project life cycle ? Figure :- 12.2 Life cycle of a project There are five stages of...