Seng 513

1
Seng 513

• piwilson_at_ucalgary.ca
• www.cpsc.ucalgary.ca/piwilson

2
Reflexion

• Used to create/manipulate unknown types of
  objects.
• IE creating a class from a string class name.

3
getClass()

• Can be called on any java object to get further
  information about the class.
• Returns a Class object.
• Gives access to methods, properties etc.

4
Class.forName(String)

• Creates a Class object by invoking the current
  class loader.
• Ie Class.forName(java.lang.String) will return
  the String class.

5
Class.newInstance

• Creates a new instance of the object (calls
  default constructor)

6
Application in Assignment

• Read the class name from the server xml
  fileltwebservicegt
• lturl-mappinggt/webservice.wbslt/url-mappinggt
• ltclassgtserver.DefaultWebServicelt/classgt
• lt/webservicegt