implementation class of an interface

[jacob deiter]

In eclipse ,

I have to find implementation class of an interface,how I can find this ?

I tried the option reference in workspace ,but not useful.

[Peter Johnson]

The do-it-yourself approach: do a find on the string "implements XXX".

A slightly better approach: right-click on the interface name, select Open Type Hierarchy. The Hierarchy view shows the interface with its implementation classes.

[jacob deiter]

Thank you ,please suggest when I use "open call hierarchy" Ctl+alt+h.,"reference" and "declaration".
[ October 22, 2008: Message edited by: jacob deiter ]

[Peter Johnson]

I am sorry, but I do not understand the question.

[jacob deiter]

IN eclipse ,just right click,lot of option avaliable,like reference ->workspace and "declaration->workspace" .what are he use of both options

[Peter Johnson]

The "reference" option will search for, and list, every place the selected item is referenced. References for interfaces include classes that implement them, variables declared to be of that type, methods that return objects that implement the interface, and so on.

The "declarations" option will search for, and show, all of the places where the selected item is declared. In other words, the statement that defines the item. For an interface, this would be the interface declaration, which means that you will typically get only one item in the list.

The "workspace" suboption limits the search to the workspace (all projects).

Doing any of these searches open the Search View which displays the results of the search using a tree view. You can expand the tree and double-click on any item to go to it.